On the evenings of June 8 & 10, 2021, AHRMA’s Board of Trustees met via Zoom video conference to review rules proposals for the 2022 racing season. A summary of the proposals, including the preliminary Board decisions, can be found below. Members are invited to provide feedback in the comment area at the bottom of this page prior to July 24, 2021.

Voting Trustees were:

June 8:
Kevin Burns, Luke Sayer, Fred Guidi, Arthur Kowitz, Brian Larrabure, Albert Newmann, Jim Korn, Rob Poole (7:20pm), Tim Terrell, Beno Rodi and Kelly Shane.
June 10:
Kevin Burns, Luke Sayer, Fred Guidi (7:20pm), Arthur Kowitz, Brian Larrabure, Albert Newmann, Jim Korn, Rob Poole, Tim Terrell, Beno Rodi and Kelly Shane.

Absent from both sessions:  Luke Conner

Final voting is tentatively scheduled to take place starting on July 26, 2021. Each Trustee’s initials are listed by his/her actions below.

The votes recorded below are votes for/against the proposed change; If “yes”, the preliminary vote is in favor of the proposal, if “no”, the preliminary vote is against the proposal. Underlined wording would be new for the 2021 Handbook, a strike-through indicates wording proposed to be removed.

Reminder: These are the preliminary Board decisions. Members are invited to review the votes on each of the proposals prior to the next Zoom meeting and comment at the end of this page. Final determinations (votes) will be made at the Zoom meeting which starts on July 26.

Questions or comments on the rule proposals may only be submitted in the comment section at the end of this page.  Deadline for the comment period is midnight Central time, July 15, 2021.

NOTE:  In order for readers to readily identify the rule you are commenting about, PLEASE INCLUDE Section # and entry # at the beginning of your comment.

Go to Comments/Questions

General

3.3.2 Technical Inspection 

All riders’ protective clothing and equipment must be scrutinized and passed by Tech Before a rider’s motorcycle is approved. The selection of the clothing is the rider’s prerogative. AHRMA ‘s competition logo patch 4″ x 2″ must be on riders’ protective clothing on riders’ left side between 4-6 inches below the shoulder . (Paul Elledge / entry #4229)

Committee Recommendation: Reject
Discussion: KB motioned to vote, FG Seconded
June Board:  No (unanimous)

Bylaws

Magazine title Vintage Views AHRMA MAG Keeping the Past Fast(Reese Dengler / entry #4176)

Committee Recommendation: Reject
Discussion: FG motioned to vote, KB Seconded
June Board:  No (1 yes / 10 no)

Section 9. General Roadracing Rules

9.2.1

Next Gen Superbike lightweight into Next Gen Superbike middleweight
Next Gen Superbike Middleweight four-stroke into Next Gen Superbike
Any Next Gen Superbike Lightweight or Middleweight two-stroke into Open Two-Stroke
(Bill Doran / entry #4275)

Committee Recommendation: Approve
Discussion: KB motioned to vote, JK Seconded
June Board:  Yes (unanimous)

9.3 f) Oil Containment 

Oil containment systems are required on all road racing machines. Oil containment pans on wet-sump engines must be designed to hold the capacity of the engine sump with nominal reserve.  Containment pans must cover all areas capable of generating an oil leak including side covers and frame mounted oil coolers. Pans must come forward and rearward enough to cover catastrophic engine failure. Material used must be durable, fastened safely, and removable for inspection, if required.

All machines fitted with split or two-piece fairings must be fitted with an internal oil containment system. The pan must have a retaining dam at the rear. Two-stroke and dry-sump machines must use a pan with a minimum capacity of one quart, or approved oil-absorbing material covered with an impermeable layer of material and a screen backing, and fastened securely. Oil-absorbing material, securely retained in the bottom of the pan, is strongly recommended.  The inside of all pans must be clearly visible for inspection upon exiting the race track. All oil containment systems are subject to approval by technical inspection. (Carrie Andrew / entry #4211)

Committee Recommendation: Reject
Discussion: BL motioned to vote, AN Seconded
June Board:  No (unanimous)

9.5 NUMBERS AND NUMBER PLATES

9.5.3 All vintage roadrace numbers must be black on a white background, except: Sportsman, black numbers on “school bus yellow” background, and Novice Historic Production, red numbers on white background, Sports-man and Novice Historic Production machines use 10×12-inch rectangular number plates; all others use rectangular plates 10×12-inches or oval plates no smaller than 9×11-inches. Machines without fairings (e.g. Historic Production, Classic 60s etc.) can use number plates.

9.5.6 Numbers must be at least seven- six inches high in the front and five inches high on the sides, block style, with a stroke width of one inch and legible. There must be no less than 1/2-inch of space between numbers, and between the numbers and the outside edge of the number plate. If a rider’s assigned number will not fit into a 9×11-inch oval, a larger background may be used, up to a 10×12-inch

9.5.7 All machines must display three numbers plates — one mounted on the front and one on each side, mounted in such  a manner that it will not be blocked by the rider in the normal racing (seated) position. If there is not a suitable location on the bodywork, number plates can be used. 10×12-inch rectangles or 9×11-inch ovals are preferred. (Chris Jackson / 4155)

Committee Recommendation: Reject
Discussion: KB motioned to vote, JK Seconded
June Board:  No (unanimous)

9.5 NUMBERS AND NUMBER PLATES

9.5.5 BoT, SoS and SoT machines may use any number plate background color; numbers can either be black or white, whichever provides the best visibility. Formula Lightning machines must use a green number plate background color; numbers can either be yellow, white or black. (James Christiansen / entry #4185)

Committee Recommendation: Reject
Discussion: KB motioned to vote, JK Seconded
June Board:  No (unanimous)

9.6.5 (In the second paragraph)

Only those riders that earn points in at least one race in each of the 3  designated regional championship rounds will be eligible for a national championship.

A rider must score points in at least two events to be eligible  for national series award

(Brian Larrabure / entry #4268)

Committee Recommendation: None
Discussion: KB motioned to vote, KS Seconded
June Board:  Yes (8 yes / 2 no / 1 abstain)

9.8 MECHANICAL REQUIREMENTS FOR BATTLE OF TWINS ®, SOUND OF SINGLES®, AND SOUND OF THUNDER 

9.8.1 d) Engine

6) sparkplugs, clutch plates, clutch springs and oil filters may be replaced; an aftermarket slipper clutch may be fitted. (John Waverka / entry #4175)

Committee Recommendation: Approve
Discussion: KS motioned to vote, AN Seconded
June Board:  Yes (8 yes/3 no)

9.8 MECHANICAL REQUIREMENTS FOR BATTLE OF TWINS ®, SOUND OF SINGLES®, AND SOUND OF THUNDER

9.8.1 k) Induction

3)  Entire OEM airbox system must remain without modifications. may be removed.  Gen 1 SV650s (1999-2002) may use flat slide carburetors.  Air  filters may be replaced. Airbox drains must be sealed. Crankcase vent hose must remain routed to the airbox. Crankcase breathers may be modified or replaced. If airbox is removed, crankcase vent must route to a 120z. leak-proof catch can(Bob Demetrius / entry #4170)

Committee Recommendation: Approve
Discussion: JK motioned to vote, RP Seconded
June Board:  No (2 yes/9 no)

VINTAGE ROADRACING

10.? 200cc LEMANS

Any 0-200cc (with maximum allowable overbore) Grand Prix or Formula kitted motorcycle built before December 31, 1975.

a) All races to be run with a stand still, dead engine, Lemans style
b) No performance restrictions.
c) Class is running as an exhibition
(Richard Brodock / entry #4227)

Committee Recommendation: Reject
Discussion: AN motioned to vote on the proposal, KB seconded
June Board: No (7 no/4 abstain)

10.2.1 500 PREMIER: Any fully GP-kitted 500cc OHV/OHC or 750cc sidevalve four-strokes built before December 31, 1968, and like design. Among the eligible machines are:

Benelli, “works” fours
Bianchi 500 “works” twin BMW Rennsport
BSA 500cc twin or single “works” or replica, up to B50 BSA B50 prohibited
(Rob Poole / entry #4197)

Committee Recommendation: Reject
Discussion: JK motioned to vote on the proposal, KB seconded
June Board: No (1 yes/ 9 no/1 abstain)

10.2.1 500 PREMIER  Any fully GP-kitted 500cc OHV/OHC or 750cc side valve four-strokes built before December 31, 1968, and like design. Among the eligible machines are:

Benelli, “works” fours
Bianchi 500 “works” twin
BMW Rennsport
BSA 500cc twin or single “works” or replica, up to B50
(Allen Wenzel / entry #4266)

Committee Recommendation: Reject
Discussion: KB motioned to vote on the proposal, LS seconded
June Board: No (1 yes/ 9 no/1 abstain)

10.2.5 200 GRAND PRIX PLUS 

 Husqvarna 175cc, 1974-1982
(Laf Young / entry #4146)

Committee Recommendation: Reject
Discussion: AN motioned to vote on the proposal, JK seconded
June Board: No (unanimous)

10.2.5 200 GRAND PRIX PLUS

HondaMR175
(Bill Doran / entry #4152)

Committee Recommendation: Approve
Discussion: KB motioned to vote on the proposal, AN seconded
June Board: Yes (unanimous)

10.2.5 200 GRAND PRIX PLUS

Aermacchi /H-D 250cc long stroke (66mm bore X 72mm stroke) and 250cc short stroke (72mm bore x 61mm stroke) wet clutch, original back bone chassis, maximum 30 mm carburetor ( i. e, up to 1965 1966 only ) (John Fitzer / entry #4265)

Committee Recommendation: Approve
Discussion: BL motioned to vote on the proposal, KB seconded
June Board: Yes, provisional through 12/31/2023 when it will go through the rule proposal review process again (unanimous)

10.2.6 10.2.7 TWO-STROKE CLASSIC GRAND PRIX
(Bill Doran / entry #4153)

Committee Recommendation: Approve
Discussion: JK motioned to vote on the proposal, TT seconded
June Board: Yes with rule # qualified as 10.21 (unanimous)

10.2.7 TWO-STROKE CLASSIC GRAND PRIX

a) Machines from the period 1974-1984. Made-to-race liquid-cooled GP machines or replicas using high quality craftsmanship and period design.
b) Frames of steel or aluminum, period designs, not Deltabox style
.
c) 250, 350 classes run together but score points separately.
d) Period 18″ wheels
.
e) No upside down forks or other non-period components

Two Stroke Classic Grand Prix

Intent

For Grand Prix or Factory road racing 2 stroke motorcycles of 250/350cc, built from Jan 1974 – December 1984.  Only genuine race bikes are allowed, modified street bikes are not eligible. 

Approved Motorcycles
Any Genuine 250/350cc Gran Prix two-stroke machine manufactured from 1974-1984 is eligible. 

Examples are,
Yamaha TZ 250/350
Kawasaki KR 250/350
Bimota TZ 250/350
Spondon TZ 250/350
Harris TZ 250/350
Maxton TZ 250/350
Armstrong-Rotax 250/350
Nicco Baker TZ250/350

Requirements and Modifications For Two Stroke Classic Grand Prix

  1. General
    1. Only genuine race bikes are allowed, modified street bikes are not eligible.
    2. Like design does not apply to this class for motorcycle eligibility.
    3. No replica parts allowed unless they are exact copies of originals.
    4. All motorcycles are to use 3 white number plates. See section 9.5 for additional requirements. 
    5. Competitor must comply with all applicable parts of sections 1-9 of the AHRMA handbook.
    6. All modifications must be performed to a high standard of fit, finish, and workmanship.  
  2. Engine
    1. All engines must be parallel or tandem twins, no “V” twins allowed.
    2. All engines must retain stock bore and stroke.
    3. No flat slide carburetors allowed except period Lectrons. Power Jet are allowed.
    4. Motorcycles must be naturally aspirated.
    5. No reed valves.
    6. Motorcycles must have period style exhaust. All exhaust systems must be equipped with an effective silencer; open pipes or open megaphones are not allowed.  See rule 9.3.h.
    7. No electronic traction control or quick shifters allowed. Lap timers are allowed. 
  3. Chassis and Frame
    1. Frames must be steel or aluminum in round or square tube, no Deltabox allowed.
    2. Frames may be braced and strengthened, period modifications only. Subframes may be modified or altered.
    3. Period swingarm swaps allowed.
    4. Rear shock may be replaced. Twin shocks can reposition the mounts.    
    5. Forks must be of the conventional right side up type.
    6. Wheel size is as follows, 18 front, 18 rear; 17 front, 18 rear.  16” wheels are allowed.  Wheels must be of the period, spoke, mag, Astralite etc.    
    7. Calipers must be axial style twin piston. Dual rotors is allowed. 
    8. No restrictions on tires, Slicks, DOT, or rain tires are allowed. Tire warmers may be used. 
  4. Bodywork
    1. Fuel tank and bodywork must be OEM or accurate replicas.  Bodywork design must be of the period, 1974-1984.
    2. Oil retention belly pan must be used on all machines. (see rule 9.3.f)
    3. Machines will not pass tech with unpainted bodywork, bodywork in primer or bodywork that is damaged.
    4. Period OEM and Race Team paint schemes are encouraged.

(John Turner / entry #4262)

Committee Recommendation: Approve
Discussion: RP motioned to vote on the proposal, JK seconded
June Board: Yes (9 yes /  2 abstain)

10.3.1 A REQUIREMENTS AND MODIFICATIONS FOR F750: 

b) Fairings are required, at minimum a quarter
(Bill Doran / entry #4276)

Committee Recommendation: Reject
Discussion: BL motioned to vote on the proposal, AN seconded
June Board: No (2 yes / 8 no / 1 abstain)

10.3.6 REQUIREMENTS AND MODIFICATIONS FOR FORMULA 125/250/500 

All engines may use Keihin CR Special carburetors in all Formula classes. Honda four-cylinder machines may use Keihin CR Special carburetors in all Formula classes. Maximum 26mm for CB350/400 fours in Formula 250 and Formula 500.
(Kevin Dinsmoor / entry #4219)

Committee Recommendation: Reject
Discussion: RP motioned to vote on the proposal, JK seconded
June Board: Yes (8 yes / 1 no / 2 abstain)

10.4.1 A REQUIREMENTS AND MODIFICATIONS FOR CLASS C 

d) 1) Single-cylinder/single carb: Dell’Orto SS1, Amal GP or Amal Monobloc to 32mm (1-1/4”). Amal Mk1 Concentric (600, 900 or 1000 series) to 34mm (1- 5/16”).
(David Tomkins / entry #4180)

Committee Recommendation: Reject
Discussion: RP motioned to vote on the proposal, JK seconded
June Board: No (0 yes / 9 no / 2 abstain)

10.4.2 A REQUIREMENTS AND MODIFICATIONS FOR PRE-1940 

3) Twin-cylinder/twin carb: Dell’Orto SS1, Amal GP, Amal Monobloc or Amal Mk1 Concentric (600 or 900 series) to 28mm (1-1/8”), Bing Type 53 26mm.
(Keith Sutton / entry #4151)

Committee Recommendation: Approve
Discussion: KB motioned to vote on the proposal, RP seconded
June Board: Yes (10 yes / 1 no)

10.4.3 CLASSIC SIXTIES 

Among the eligible machines are:

Norton Manx: 500cc Norton Manxes are limited to the pre-1954 “long Stroke” (100mm stroke) engine.

(John Rickard / entry #4196)

Committee Recommendation: Reject
Discussion: KB motioned to vote on the proposal, BL seconded
June Board: No (Unanimous)

10.4.3B REQUIREMENTS AND MODIFICATIONS FOR CLASSIC SIXTIES

g) Brakes must (sic) of the period (i.e., two-shoe-type drum). Later-model BSA and Triumph drum brakes are allowed. (Manx Norton may use original four-shoe, seven-inch front brake). Minimum wheel diameter is 18 inches; maximum rim width is WM3 (2.15-in). OHC machines must use minimum 19-inch wheels, front and rear.
(John Rickard / entry #4195)

Committee Recommendation: Reject
Discussion: KB motioned to vote on the proposal, RP seconded
June Board: No (Unanimous)

10.6 NOVICE HISTORIC PRODUCTION

10.6.1 This class is intended for novice and returning non-professional veterans, not seasoned At the referee’s discretion, riders who are obviously too fast for the Novice History Production class (remainder unmodified…)
10.6.2 Eligible Novice Historic Production (remainder unmodified…)
10.6.3 Eligible Novice Historic Production (remainder unmodified…)
(Gregg Bonelli / entry #4228)

Committee Recommendation: Reject
Discussion: RP motioned to vote on the proposal, BL seconded
June Board: No (Unanimous)

10.6.1 RIDER ELIGIBILITY

RIDER ELIGIBILITY: This class is intended for novice and returning non-professional veterans, not seasoned racers. At the referee’s discretion, riders who are obviously too fast for the Novice Historic Production class may be moved to a more appropriate class (remainder unmodified)
(Gregg Bonelli / entry #4257)

Committee Recommendation: Reject
Discussion: RP motioned to vote on the proposal, BL seconded
June Board: No (Unanimous)

10.6.4 REQUIREMENTS AND MODIFICATIONS FOR HISTORIC PRODUCTION CARBURETORS 

b) EXHAUST SYSTEMS: (this portion is unmodified…) Two stroke engines must may use production street exhausts from the time period, any manufacturer. No Provided the stock OEM headpipe is used, expansion chambers are allowed provided they are constructed in keeping with the vintage design scheme as shown in the illustration which consists of a single taper cone connecting the head pipe to a single taper cone which connects to a straight midsection of once diameter, which connects to a single taper cone, that connects to a final single taper cone and then a single diameter tail piece or stinger that has a silencer attached limiting noise output to 103 decibels. (schematic illustration transmitted to Kevin Burns by separate email)
(Gregg Bonelli / entry #4258)

Committee Recommendation: Reject
Discussion: BL motioned to vote on the proposal, JK seconded
June Board: Yes (Unanimous) 1 year provision, expires 12/31/22

VINTAGE SUPERBIKE

10.8.2 REQUIREMENTS AND MODIFICATIONS FOR VINTAGE SUPERBIKE

b) ENGINE

3) All round-slide carbs are allowed (Keihin CR, Dell’Orto, Mikuni “smoothbore” and like design). Flat-slide carbs are not allowed. Pumper carbs may be used, but the pumper mechanism must be disabled. 4 valve per head 1025cc four- cylinders may use carburetors up to 29mm and 2 valve per head 1025cc four-cylinders may use carburetors up to 31mm or the stock constant-velocity carburetors that were original equipment on that machine.
(Dave Crussell / entry #4177)

Committee Recommendation: Approve
Discussion: KB motioned to vote on the proposal, TT seconded
June Board: Yes (9 yes /1 no / 1 abstain)

10.8.2 REQUIREMENTS AND MODIFICATIONS FOR VINTAGE SUPERBIKE

b) ENGINE

3) All round slide carbs are allowed (Keihin CR, Dell’Orto, Mikuni “smoothbore” and like design). Flat-slide carbs are not allowed. Pumper carbs may be used, but pumper mechanism must be disabled. 1025cc four-cylinders may use carburetors up to 33mm 29mm, or the stock constant-velocity carburetors that were original equipment on that machine.
(Mark Danke / entry #4198)

Committee Recommendation: Reject
Discussion: KB motioned to vote on the proposal, FG seconded
June Board: No (10 no / 1 abstain)

10.8.2 REQUIREMENTS AND MODIFICATIONS FOR VINTAGE SUPERBIKE

c) CHASSIS AND FRAME

9) Only treaded modern racing compound tires are allowed. No slicks. Rain tires are allowed and may be hand-cut. Tire warmers are permitted.
All racing tires are allowed including DOTs and Slicks.
(Carrie Andrew / entry #4210)

Committee Recommendation: Reject
Discussion: KB motioned to vote on the proposal, JK seconded
June Board: Yes (9 yes / 2 abstain)

NEXT GEN SUPERBIKE

10.9.2 NEXT GEN SUPERBIKE 2

Among the eligible machines are:

Aprilia RSV Mille, Mille R, Mille SP and Replicas (Haga and Edwards). Bikes are limited to first generation Mille only.
Ducati 851, 888 with 996 engine; Ducati 916, 916SP, 916 Corsa and 916R; Ducati 996, 996S, 996SPS, 996RS. All Ducati motorcycles must use Desmoquattro engines only, no Testastretta engines, heads or components. Ducati 748, 748R, 748RS may compete, provided engine capacity has been increased by modifying bore and/or stroke to a maximum of 996cc.
Honda RC45, RC51 SP1, RC51 SP2
MV Agusta F4 750 ORO, S, S 1+1, SPR, 1999-2004. 750cc models
Kawasaki ZX7R, ZX7RR models included are L, M, N and P1-P7 Suzuki GSX-R750 N thru X (SRAD) K3, TL1000R
Yamaha R7, YZF750R, YZF750SP
Approved motorcycles must have been available for sale in North America.

(Eric Bracken / entry #4263)

Committee Recommendation: Reject
Discussion: BL motioned to vote on the proposal, RP seconded
June Board: No (11 no – unanimous)

10.9.5 NEXT GEN SUPERBIKE 3

REQUIREMENTS AND MODIFICATIONS FOR NEXT GEN SUPERBIKE 3

Approved motorcycles must have been available for sale in North America. Approved Motorcycles,

All Next Gen 2 machines.
Bimota Models 1988-2006, SB6, SB6R, SB7, SB8, SB8R, SB8K, YB6, YB8, YB9, YB10 and YB11.
Ducati 996 & 998 all models including Corsa and RS
Ducati 999 all models including the S, R, RS and FO models, 2003-2006 MV Agusta F4 1000 models, 1998 to 2006
Honda models, CBR900RR, CBR919RR, CBR929RR, CBR954RR and CBR1000RR 1992-2005
Kawasaki ZX10R 2004 to 2005
Suzuki GSX-R750 2000-2004
Suzuki GSX-R1000 2001 to 2004 Yamaha YZF-R1, YZF-R1 LE 1998-2006

Requirements and Modifications For Next Gen 3,

  1. GENERAL
    1. Engine, Frame, swingarm and bodywork must be from the same make and
    2. AHRMA’s “like design” rule does not Exceptions will be written in the rules.
    3. All street equipment must be
    4. All motorcycles are to use three white number plates/backgrounds of approx. 10”x12”, with one on the front center of the fairing and one on each side of the motorcycle. Numerals shall be black, at least 7” tall, block style, without serifs, with a stroke width of one inch and legible. See section 9.5 for additional
    5. Competitor must comply with all applicable parts of sections 1-9 of the AHRMA handbook.
    6. All work and modifications must be performed to a high standard of fit, finish, and workmanship.
  1. ENGINE
    1. All machines must retain stock bore and
    2. Engines must be from the same make and model as the frame. All manufacturer engines should be period correct (see approved motorcycle list). Engine parts may be updated only if they are directly
    3. The use of race-type crankcase covers or welded/braced OEM covers is allowed and encouraged, for safety purposes
    4. Bikes must use fuel delivery type as fitted from the OEM carburetors may be replaced with any style or carb size. Fuel Injection systems may be modified, both programming and throttle body size.
    5. Motorcycles must be naturally
    6. Motorcycles must have period-style
    7. Only 2000 to 2006 era electronic traction control, wheelie control or telemetry are Quick shifters and lap timers are allowed.
    8. Period components and superbike engine modifications allowed.
  1. CHASSIS AND FRAME
    1. Frame must be from a production , period aftermarket or factory built race motorcycle listed under the “approved motorcycles”
    2. Frames may be braced and strengthened to period modifications Brackets and tabs for street equipment may be removed. Frames may be polished, painted, or coated. Subframes may be modified or altered.
    3. Swingarms must be purpose built for the same make and model as the frame. Bracing is allowed using round or rectangle aluminum tubing Bracing may not be “sheeted” or enclosed. Period aftermarket or OEM kit swingarms are allowed.
    4. Rear shock may be replaced or modified but cannot be repositioned. Suspension rockers, linkage etc. may be replaced or
    5. Front forks may be replaced with kit (Ohlins or equivalent) forks. They can be conventional or upside down. Replacement forks must be of the period. No later model forks allowed, period gas-charged forks are
    6. No restrictions on wheel size, although period-appropriate appearance is strongly Carbon fiber wheels are not allowed.
    7. Carbon rotors are not allowed. “Wave” or “petal” rotors are allowed. Perimeter rotors are not
    8. Radial calipers are allowed. No perimeter calipers
    9. No restrictions on tires – slicks, DOT, or rain tires are allowed. Tire warmers may be used.
  1. BODYWORK
    1. Fuel tank and bodywork must be OEM or accurate street or race replicas, from the same make and model of the frame. Material construction of bodywork and tank is unrestricted.
    2. Rear fender may be
    3. Oil-retention belly pan must be used (see rule 9.3.f).
    4. Machines will not pass tech with unpainted bodywork, bodywork in primer or bodywork that is
    5. Period OEM or race team paint schemes are strongly encouraged.

(John Turner / entry #4274)

Committee Recommendation: Approve
Discussion: KB motioned to vote on the proposal, RP seconded
June Board: Yes (8 yes / 2 no / 1 abstain)

SIDECARS

10.10. b DRIVER AND PASSENGER

b) DRIVER AND PASSENGER:

Drivers and Passengers of Sidecar outfits shall meet all current AHRMA requirements listed in section 3.4 RIDER ELIGIBILITY and 9.1 RIDER

ELIGIBILITY. Passenger must be 18 years of age with an AHRMA race membership, a working knowledge of the Sidecar outfit and an understanding of AHRMA/racetrack rules. Passenger may wear leather high-top footwear that covers the ankle and is duct – taped to the bottom edge of the leather pants. The Passenger may only serve in this capacity unless section 3.4 RIDER ELIGIBILITY and 9.1 RIDER ELIGIBILITY are met. (Roger Preston / entry #4205)

Committee Recommendation: Approve
Discussion: RP motioned to table for committee re-wording AN seconded
June Board: Approved  (9 yes)

10.10.1 a) VINTAGE SIDECAR (SC1): Front-exit sidecars. Air-cooled, one-or two-cylinder, two-or four-stroke, built before December 31, 1967.Two-stroke350cc maximum, reed valve prohibited. Four-stroke, 650cc overhead valve and750cc side valve maximum. Carbureted only. Fuel injection, supercharging and turbocharging are prohibited. No short-stroke engines permitted. Stock stroke length and stock bore with allowable overbore (see 9.7.2.c). Motorcycle-based powerplants only. (Roger Preston / entry #4207)

Committee Recommendation: Reject
Discussion: BL motioned to vote on the proposal, AN seconded
June Board: No (9 no – unanimous)

10.10.1 b) SUPER VINTAGE SIDECAR (SC2): Front-exit sidecars. Air-cooled, one-or two-cylinder, two-or four-stroke engines, built before December 3 1, 1972.Two-stroke, piston-port only, reed valve prohibited, 500cc maximum. Four-stroke, 750cc maximum. Carbureted only, 34mm maximum venturi. Fuel injection, supercharging and turbocharging are prohibited.   Stock stroke with crankshafts phased as per the manufacturer’s intent and stock bore plus allowable overbore with allowable overbore (see 9.7.2.c). Stock valve sizes. Motorcycle-based powerplants only. (Roger Preston / entry #4206)

Committee Recommendation: Reject
Discussion: BL motioned to vote on the proposal, KB seconded
June Board: No (1 yes / 8 no / 1 abstain)

10.10.4.1 ENGINES: Air-cooled, one- or two-cylinder, two- or four-stroke engines, built before December 31, 1972. Two-stroke, reed valve prohibited, 500cc maximum. Four-stroke, 750cc maximum. All engines in this class are restricted to stock valve sizes and carb venturi diameter of 34mm. Carbureted only. Carburetor restrictor plates, f Fuel injection, supercharging and turbo charging are prohibited.

Other rule(s) affected:  b) SUPER VINTAGE SIDECAR (SC2): Front-exit sidecars. Air-cooled, one- or two-cylinder, two- or four-stroke engines, built before December 31, 1972. Two-stroke, piston-port only, reed valve prohibited, 500cc maximum. Fourstroke, 750cc maximum. Carbureted only, 34mm maximum venturi. Fuel injection, supercharging and turbocharging are prohibited.
(Dan May / entry #4225)

Committee Recommendation: Approve
Discussion: KB motioned to vote on the proposal, TT seconded
June Board: Yes (10 yes – unanimous)

Sound of Singles / Battle of the Twins / Sound of Thunder

9.2.1 (bump up classes)

Next Gen Superbike lightweight into Next Gen Superbike middleweight
Next Gen Superbike Middleweight four-stroke into Next Gen Superbike.
Any Next Gen Superbike Lightweight or Middleweight two-stroke into Open Two-Stroke
(Bill Doran / entry # 4275)

Committee Recommendation: Approve
Discussion: KB motioned to vote on the proposal, JK seconded
June Board: Yes (10 yes – unanimous)

SOUND OF SINGLES / BATTLE OF THE TWINS / SOUND OF THUNDER
MISSION STATEMENT

SOUND OF SINGLES/BATTLE OF TWINS/SOUND OF THUNDER HISTORICALLY UNDER-REPRESENTED MODERN

MOTORCYCLE MISSION STATEMENT:AHRMA’s mission is to showcase single-, twin,-and three-cylinder, and electric motorcycles which historically have been under-represented in modernroadracing. The Battle of Twins concept was born in the late 1980s as modernSuperbike racing became increasingly dominated by inline four-cylinder machines.BoT racing kept alive the thunderous roar of twin-cylinder machines from British,European,and American manufacturers. Sound of Singles racing features moderninterpretations of the classic single-cylinder racebike, encompassing everything fromproduction bikes to one-off custom-built machines. (Arthur Kowitz / entry #4253)

Committee Recommendation: Approve
Discussion: KB motioned to vote on the proposal, BL seconded
June Board: Yes (10 yes – unanimous)

10.12.1

d) SOUND OF THUNDER 4 (SoT4):  Any single (under 400cc) or twin (under 350cc) that is based on a production motorcycle sold in the US. Honda     CBR 300. Kawasaki Ninja 250/300. KTM RC390R/Duke, Suzuki GSX 250R, Yamaha YZF-R3. (Eric Watts / entry #4169)

Committee Recommendation: Approve
Discussion: KB motioned to vote on the proposal, AN seconded
June Board: No (9 no / 1 abstain)

10.12.1

d) SOUND OF THUNDER 4 (SoT4): 

Machines of 400cc displacement or less, single or twin cylinder based on production models sold in the US which include but not limited to:

Kawasaki Ninja 250, 300 & 400 all years Yamaha R3 all years
KTM RC250, 390, 390R including RC 390 Cup bikes

Rules per Superbike spec but must retain O.E.M forks, wheels, rotor size and single disc. Age restrictions to apply. Minimum rider age 30. (Bob Robbins / entry #4214)

Committee Recommendation: Reject
Discussion: JK motioned to vote on the proposal, FG seconded
June Board: No (9 no / 1 abstain)

10.12.1 b) SOUND OF THUNDER 2(SoT2): Any AHRMA Sound of Singles or Motardmachine; liquid-cooled twins to900cc; unlimited air-cooled twins; triples up to675765cc; and two-strokes to 250cc are allowed. (John Beldock / entry #4194)

Committee Recommendation: Approve
Discussion: BL motioned to vote on the proposal, JK seconded
June Board: Yes (9 yes / 1 abstain)

10.12.1 c) SOUND OF THUNDER 3 (SoT3): Harley-Davidson XR1200, pushrod OHV twin-cylinder machines to 1000cc, OHC two- or three-valve twins to 805cc, SOHC liquid- cooled V-twins up to 750cc (plus overbore),OHC liquid-cooled four-valve twins to 650cc, OHC liquid-cooled four-valve single cylinder to 690cc, Pushrod OHV machines over 900cc must run under Supersport specifications (see (9.8.1). Suzuki SV650, Kawasaki 650R, Buell XB9R, KTM Duke 690, KTM SMC 690, Ducati 800SS, Monster limited to Supersport specifications (see 9.8.1); Kramer EVO2 limited to Supersport specifications (9.8.1 c) through n)) otherwise must compete in SoT2. Thruxton Cup Challenge eligible machines may compete (see 10.14). Ducatis up to 750cc originally fitted with carburetors (e.g., 1991-‘98 750 Supersports and Monsters) must meet the mechanical requirements in 9.8 a) through m) only, with the additional requirement being they must use OEM or aftermarket carburetors. H-D XR1200 and Ducatis up to 805cc originally fitted with fuel injection (e.g., 750SSie, 800SS) must run under Supersport specifications (see 9.8.1). Machines originally equipped with 18” wheels may convert to 17” wheels. (Bill Gillis / entry #4192)

Committee Recommendation: Reject
Discussion: BL motioned to vote on the proposal, RP seconded
June Board: No (10 no / 1 abstain)

10.15.1 b) SOUND OF SINGLES 2 (SoS2):  Liquid-cooled single-cylinder four-stroke machines to 450cc and liquid-cooled single-cylinder two-stroke machines to 300cc. Air-cooled single-cylinder four-stroke machines to 610cc and air-cooled single-cylinder two-stroke machines to 400cc.  (Bill Doran / entry #4218)

Committee Recommendation: Reject
Discussion: RP motioned to vote on the proposal, AN seconded
June Board: Yes (9 yes / 1 no / 1 abstain)

10.16 OPEN TWO STROKE: Any two-stroke motorcycle is eligible, regardless of displacement, number of cylinders, frame type, cooling type, or date of manufacture. See Section 9.8 for additional mechanical requirement

The class will be divided into 3 subclasses regardless of the age of the motorcycle, 125cc, 250cc and > 251cc (open) class.

(Dave Crussell / entry #4178)

Committee Recommendation: Approve
Discussion: JK motioned to vote on the proposal, RP seconded
June Board: No (1 yes / 10 no)

10.18 FORMULA LIGHTNING

a) Battery-powered bikes must have a peak measured voltage of 125 volts maximum.

(James Christiansen / entry #4182)

Committee Recommendation: Reject
Discussion: KB motioned to vote on the proposal, LS seconded
June Board: No (10 no / 1 abstain)

10.18 FORMULA LIGHTNING

d) All racebikes shall have a plainly-marked, easily-accessed emergency disconnect switch on the handlebar (within reach of the rider with his/her hands on controls), plus a tether fastened to the rider that disconnects all sources of power should the rider become separated from the bike.

A documented software/hardware function that disables motive power when the bike is horizontal can replace the tether.

(Richard Illman / entry #4142)

Committee Recommendation: Approve
Discussion: BL motioned to vote on the proposal, JK seconded
June Board: Yes (10 yes / 1 no)

10.18 FORMULA LIGHTNING

d) All racebikes shall have a plainly-marked, easily-accessed emergency disconnect switch on the handlebar (within reach of the rider with his/her hands on controls), plus a tether fastened to the rider that disconnects all sources of power should the rider become separated from the bike.

(James Christiansen / entry #4183)

Committee Recommendation: Reject
Discussion: Duplicate to 4142
June Board: No vote

10.18 FORMULA LIGHTNING

e) Racebikes shall have an audible horn operated by a handlebar-mounted

(James Christiansen / entry #4184)

Committee Recommendation: Reject
Discussion: FG motioned to vote on the proposal, KB seconded
June Board: No (11 no)

VINTAGE MOTOCROSS

11.1.1 PREMIER LIGHTWEIGHT:  Certain pre-modern era machines,150-250cc. Eligible models include:

*unchanged eligible models*
Husqvarna 3-speed Silver Arrow and other specials based on this engine.

a) Ineligible are all models of Yamaha, Suzuki, Bultaco, Ossa, Montesa, alloy-barrel Maico, Husqvarna and Greeves (unless Villiers powered). Refer to Sportsman and Classic classes.

(Allen Wenzel / entry #4230)

Committee Recommendation: Approve
Discussion: FG motioned to vote on the proposal, AN seconded
June Board: Yes (11 yes – unanimous)

11.1.3 PREMIER 500: Certain pre-1965 and like-design, non-unit construction (removable gear box) of 350-500cc and unit construction of 360-500cc. (Eligible exceptions: Matchless or AJS 600cc single using original, non-Norton oil pump crankcases with standard stroke and bore (+.080”); Examples of eligible machines include:

*unchanged eligible models*

Jawa 350cc Typ 575, etc.

(Allen Wenzel / entry #4231)

Committee Recommendation: Approve
Discussion: KS motioned to vote on the proposal, RP seconded
June Board: Yes (11 yes – unanimous)

11.3 MOTOCROSS RIDER GRADING SYSTEM

Novice classes are as follows: Premier, Classic, Sportsman, Open Age, 40-60, 60+ and Women. There are no displacement classifications in any Novice class. Novice classes shall not be combined with any Intermediate or Expert class. All Novice classes shall run in Novice-only motos.

(Richard Bryant / entry #4148)

Committee Recommendation: Approve
Discussion: TT motioned to vote on the proposal, LS seconded
June Board: No (1 yes / 7 no / 3 abstain)

POST VINTAGE MOTOCROSS

12.2.5 Gran Prix Four-Stroke: Certain 185-580cc Four-Stroke powered motorcycles that came just after the Historic Four-Stroke class period. Eligible motorcycles and modifications include:

All Honda XR185, 200, 250 and 500 models produced with dual-shock rear suspension Four Valve CCM’s
Yamaha TT 250 & 500 with more than 9″ of suspension travel, front and rear. Suzuki DR models, to include the 1982 DR500Z
Kawasaki KLX models
Period specials that meet the class requirements
Can-Am Sonic & Husqvarna 510 TE, TC & TX models are prohibited. (See Ultima Four-Stroke Class)

(Allen Wenzel / entry #4261)

Committee Recommendation: Approve
Discussion: AN motioned to vote on the proposal, FG seconded
June Board: Yes (11 yes – unanimous) 1 year provision, expires 12/31/22

12.1.3 HISTORIC 250

1975-’78 Honda CR,MT,MR,XL 175/200
1979-’84 Honda XR 185/200 (Dual rear shock models only, “R” models with Prolink single shock see ULTIMA class)

(David Kinser / entry #4147)

Committee Recommendation: Reject
Discussion: KB motioned to vote on the proposal, TT seconded
June Board: No (1 yes / 10 no)

12.1.3 HISTORIC 250: Certain 126-250cc machines built up to and including the 1977 model year that made up the first generation of long-travel motorcycles. Eligible machines include:

1980 -84 Honda XR 200, 1st generation with twin rear shocks

(Richard Colohan / entry #4172)

Committee Recommendation: Reject
Discussion: KB motioned to vote on the proposal, RP seconded
June Board: No (1 yes / 10 no)

12.1.7 POST VINTAGE 100cc (Due to the shortened 2020 season, provisional status will continue for 2021.)

(Michael Bickley / entry #4222)

Committee Recommendation: Approve
Discussion: RP motioned to vote on the proposal, FG seconded
June Board: Yes (11 yes)

OBSERVED TRIALS

SECTION 13 – OBSERVED TRIALS 

(The italicized note below should appear after the final sentence of SECTION 13 – OBSERVED TRIALS Mission Statement.)

Note: A 3 year moratorium on adding new observed trials classes is in effect beginning in 2022.

(Debbie Poole / entry #4144)

Committee Recommendation: Approve
Discussion: KS motioned to vote on the proposal, KB seconded
June Board: No (4 yes / 6 no / 1 abstain)

DIRT TRACK

These rule proposals were reviewed / motioned / voted on as a package with the exception of entry #4239, therefore individual rule motions/votes will not be recorded in this section.

Committee Recommendation: Approve
Discussion: RP motioned to vote on the proposal, AN seconded
June Board: Yes (Unanimous)

SECTION 14. DIRT TRACK

Dinosaur
Classic 250
Classic 500/750
250 Framer
Super Senior
Seventies singles
Seventies two-stroke
Seventies singles 50+
Four stroke super singles
Seventies twins

(Richard Brodock / entry #4239)

14.3 TT CLASSES

All 14.3 TT classes should be the same as 14.2 Flat Track classes. (Richard Brodock / entry #4250)

14.2 FLAT TRACK AND TT CLASSES

Other rule(s) affected:  14.3 TT CLASSES (eliminate the entire TT class section) (Arthur Kowitz / entry #4255)
Note: Committee strongly urges to include “No front brakes allowed on Flat Track machines

14.2.?  LIGHT VINTAGE:

Open to all machines 1990 and older under 300cc. Custom Tubular racing frames allowed. (Richard Brodock / entry #4232)

Committee language change – under up to and including 300cc.

14.2.?  HEAVY VINTAGE:

Open to all machines 1990 and older 301cc and above. Custom Tubular racing frames allowed. (Richard Brodock / entry #4234)

14.2.?  LIGHT BRAKELESS

Open to all machines 1968 and older under 300cc. The motorcycle engine, transmission and frame must be from the same manufacturer and model, an aftermarket rigid racing frame may be substituted, e.g., Sonicweld or Swanson.(Richard Brodock / entry #4235)

Committee language change – under up to and including 300cc.

14.2.? HEAVY BRAKELESS

Open to all machines 1968 and older 301cc and bigger. The motorcycle engine, transmission and frame must be from the same manufacturer and model, an aftermarket rigid racing frame may be substituted, e.g., Sonicweld or Swanson. (Richard Brodock / entry #4236)

14.? A rider is allowed to receive a waiver, at no charge, exempting the rider’s machine from all DT equipment eligibility rules except for: engine displacement, model year of engine, and safety items.Upon receiving the waiver, the rider will remain eligible to win or podium (including trophies) in his/her class, but only receive 80% of the normal championship points for his/her finish. Waivers are available upon request at trackside registration. (Arthur Kowitz / entry #4251)

14.2.4 SPORTSMAN 100125: Motorcycles using 88-100125cc two-stroke or 88-123cc fourstroke production engines in either production or aftermarket racing frames of the period (up to 1974 and like design). Engines must have been manufactured for 100125cc or smaller displacement machines; engines originally manufactured as 125cc or larger than 125cc may not be downsized for this class. Eligible machines include but are not limited to:
(Arthur Kowitz / entry #4260)

14.2.10 SENIOR 50+: Riders age 50 or older on any Sportsman ahrma class-eligible machine. (Richard Brodock / entry #4237)

14.2.7 SPORTSMAN 750:1974 and earlier machines manufactured as 601-750cc,including like-design models. Eligible machines include:

(no change)

a) Aftermarket swingarm frames are allowed, including Champion, Cheney,Redline, Rickman and Trackmaster.
b) 1972- up alloy-cylinder H-D XR750s are prohibited.
c) Norton 850s are prohibited.

38mm Maximum fork diameter (Richard Brodock / entry #4238)

Committee Recommendation: Reject
Discussion: RP motioned to vote on the proposal, AN seconded
June Board: Yes (Unanimous)

CROSS COUNTRY

15.1 PRO CLASS 

Any rider that has ever raced professionally or is a AA rider in a competition circuit on any size or type of eligible machine. This class would be in both Vintage and Post Vintage races.

(Lloyd Loux / entry #4149)

Committee Recommendation: Reject
Discussion: KB motioned to vote on the proposal, AN seconded
June Board: No (11 no unanimous)

15.1.3 Next Gen 1: In most aspects, machine eligibility and other requirements mirror those of AHRMA Next Gen 1 motocross (Section 16), with the exception being engine displacement; regardless of original displacement, engines may be built to the class limit (plus allowable overbore) The minimum age for riders is 16 years. Each of the following classes is further divided into Novice, Intermediate and Expert skill-levels.

a) Next Gen 1- Any size or type of eligible Next Gen 1 or Pre-Modern (Expert, Intermediate or Novice class only)
b)
60+ Next Gen 1- Any size or type of eligible Next Gen 1 or Pre-Modern Motorcycle. (Expert, Intermediate or Novice class only)

(Steve Kirby / entry #4150)

Committee Recommendation: Approve
Discussion: LS motioned to vote on the proposal, AN seconded
June Board: No (11 no unanimous)

15.1.1 VINTAGE

g) 60+: Riders age 60 to 64 and Riders 65 t0 69and older on any size or type of eligible vintage machine.

(Sanford Quickel / entry #4174)

Committee Recommendation: Reject
Discussion: KB motioned to vote on the proposal, FG seconded
June Board: No (1 yes / 10 no)

15.3.3 RACE PROCEDURES

Dead-engine starts are encouraged.  Live engine start. Left hand on top of helmet. Those who ride automatic bikes will have right hand on top of helmet.

(Scott Price / entry #4137)

Committee Recommendation: Reject
Discussion: FG motioned to vote on the proposal, AN seconded
June Board: No (11 no)

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