The rules and regulations are intended to promote the following objectives:
1. The preservation and racing use of historic racing motorcycles, and racing motorcycles built after the classic period that are consistent in design and construction with racing motorcycles actually built in
the applicable periods.
2. Foster close and competitive racing in a spirit of sportsmanship and camaraderie.
3. Accessibility of classic motorcycle racing to interested enthusiasts.
4. Most importantly, to have fun.
All specific rules and regulations set forth in the RR are to be read and enforced in the context of the above objectives. To that end,
any and all provisions of the RR may be amended or changed by the USCRA Rules
Committee upon reasonable notice, as required to maintain the intent
and reality of the objectives in the sole and exclusive discretion of the
USCRA. The agreement to this provision by all competitors, entrants
and owners shall be confirmed by their participation where these
rules govern the event.
All rule change proposals must be emailed or sent via postal mail to the addresses indicated below by December 1. The full list of rule proposals will be publicly posted on the USCRA website by December 1 for member review, after which there will be a two week period for public comment and discussion. All are encouraged to discuss in that period and send any written comments or suggestions to the Rules Committee (RC) during that period. The Rules Committee will review all written commentary submitted before the end of the public comment period and may add or modify any proposal(s) accordingly during the rules meeting. The following address should be used for rules proposals and comments /suggestion on rule proposals: -
Contact Doug Donelan: rules@race-uscra.com
If the effort to help our riders, we have highlighted the most frequently asked questions. This is a quick reference from the rule book to help you with a quick answer to your question. If you have a specific question about USCRA racing, sidecar racing or the endurance racing, contact Doug Donelan. If you have questions about the MotoGiro-USA or Pewter Run, contact Shane Rivet. If you have a results or timing question on the MotoGiro-USA or Race-USCRA contact Peter Booth. You can also find us on the Contacts page.
Common Rule Inquiries
1. New riders are required to provide evidence of successful completion of an accredited road racing school or proof of prior road racing experience in another road racing organization.
2. All riders must provide proof of current medical insurance coverage and be current AMA members (membership sold at all events). CMA members participating in approved events are exempt from AMA membership requirement. All riders are required to fill out a medical information card and keep it on their person (inside their leathers) whenever they are on the racing circuit. Medical information cards will be made available at registration.
5. Helmets shall be full coverage with an attached face shield. Full face ‘modular’ or ‘flip-up’ helmets are prohibited. ‘Tear off’ or ‘tear away’ face shields are prohibited. Quick release helmet straps, unless original equipment, are also prohibited.
All machines must meet the safety regulations of the sanctioning body for each event. It is the competitors’ responsibility to be aware of the regulations in effect, and comply with them. Safety preparation for both solo and sidecar road racing machines includes, but is not limited to: Read More >>>
Combined classes or large individual grids may be started in multiple waves as determined by the starter or other authorized race official. Typically races are limited to two waves. The procedure for a multiple-wave start is as follows: once the entire grid is set on the starting line, waves will be separated by a starting official. The first wave will receive the 2-minute board, followed by the horizontal/vertical 1-minute board, and finally the green flag. During the first wave start, each rider in any additional waves should be sitting upright on his/her machine with at least one foot on the ground one hand in the air. This posture should be maintained until the starter has released the first wave. Once the starter has determined the first wave is a safe distance from the starting line, the starter will reset the 1-minute board to a horizontal. At this time, riders in the next wave should prepare for the imminent start of their wave.
machines made after 1968
Heavyweight Supervintage
Middleweight Production
Grand Prix classes are limited to thoroughbred grand prix motorcycles, and race-prepared roadster motorcycles of comparable performance and appearance, with a maximum model year of 1967, with the following exceptions permitted regardless of model year:
- Aermacchi /Harley Sprint
250 or 350 four stroke single through 1974
- BMW through /5
- BSA (all singles and twins)
- Bultaco through 1972 (PROVIDED no cylinders, crankcases or cylinder heads later than 1967 style)
- Ducati singles through 1974
- Greeves Silverstone,
- Cotton Villiers
- Harley-Davidson KR, ER, CR
- Honda CB/CL 450 (torsion bar valve spring type head),
- CB/CL 160
- Jawa 2 valve, OHV, four stroke single cylinder speedway engines through 1978. (NO original style total loss lubrication, period cycle parts required.)
- Kawasaki A1RA, A7R, A7RA
- Norton Atlas, Commando
- Royal Enfield (and including modern Enfields)
- Suzuki T250, T350, T500 & GT250 (Ram-Air removed)
- Triumph (all singles and twins)
- Velocette
- Yamaha AS1, TD1A, B, C
- Later specialty frames (e.g. Seeley, Rickman, Yetman) with eligible engines
NOTE: Above “excepted” machines are still subject to the following general period I rules, irrespective of original equipment, unless specifically noted otherwise.The period II classes are limited to thoroughbred grand prix motorcycles and race-prepared road based motorcycles of comparable performance and appearance, with a maximum model year of 1972. There are 3 classes (ultralightweight limited to 200cc, lightweight limited to 250cc two strokes and 360cc four strokes, and heavyweight limited to 900cc displacement limit, 1000cc limit for Harley Davidson Sportsters). The following are exceptions permitted regardless of model year:
- BSA factory team machines (and replicas) through 1972
- Can-Am Bombardier through 1973 (later models of like/similar design permitted)
- Ducati bevel drive singes and twins
- Harley-Davidson KR750 and XR750
- Honda MT 125r, CB/CL/SL 350 /360, CB/CL 450, CB/CR750
- Kawasaki H1R, H2R and replicase,
- Laverda SFC and replicas
- Moto Guzzi to 1980
- Moto Morini 3 1/2
- NortonCommando
- Suzuki TR500 (air-cooled only), T500, TR750
- Triumph factory team machines (and replicas) through 1972
- Yamaha TA 125, TA250, TD2, TD2B, TR2, TR2B, TD3, TR3, R5, RD 200/ 250,
OEM 1973/74 TZ250/350 A&B twin shock, drum brake (air-cooled only, race trim), XS650
NOTE: Above “excepted” machines are still subject to general period II rules set forth below, irrespective of original equipment.Limited to race-prepared motorcycles that were originally sold for street use, all frames must specifically have been sold for street use, with a maximum model year of 1976 or like models, two- or four-stroke. Dry clutches and all alloy cylinders prohibited except where originally equipped on street model. Power exhaust valves are prohibited even when OEM. The following machines are permitted regardless of model year:
- Honda single OHC four cylinder CB400, CB500, CB550 thru 1978 model year
- Kawasaki S2 350, S3 400, KH400
- Suzuki GT380
- Yamaha R5, RD350/RD400 (Formula RD Spec only)
NOTE: For further details on this class, see this section in the Rule book..Formula RD is a “Spec” class formed in the interest of low cost road racing competition. Eligible machines include:
- Yamaha R5, RD350, RD400 and RD400F models sold in the United States from 1970-1979
NOTE: For further details on this class, see this section in the Rule book..No model year restrictions in the 100 Open Class. Eligible machines include:
- Honda XR/ CRF 100,
- Kawasaki KLX125,
- Suzuki DRZ 125,
- Yamaha TTR 125.
NOTE: For further details on this class, see this section in the Rule book..If you have a bike you would like to race with the USCRA and your not sure what class it will fit in, contact USCRA Rules. We will guide you to the correct class and bump classes.