SoCal M0tor Bicycle Racing
Sat March 31st at Grange Motor Circuit
CHINA girl RACE CLASS RULES:
Only use original cases. (May be modified.)
Only use original cylinder. (May be modified.)
Shifter kits allowed.
EXPERT:
1: Case Reed allowed.
2: Stroker Crank allowed. >40mm
3: Oversized Piston allowed. >47mm
Any cylinder reed allowed.
The #2 & #3 mods must be disclosed before race.
Bore x Stroke. 82 cc Maximum displacement.
NOVICE:
NONE of the 3 EXPERT MODS Allowed.
Any Reed on cylinder allowed.
BEGINNER:
NONE of the 3 EXPERT MODS Allowed.
Big Block Reed Valves NOT Allowed.
Arrow Big Block, Arrow Twister, Dio.
Small Reed Valves allowed.
GT 80, Oz, RSE allowed.
ALL RACE CLASS RULES:
Functioning Pedals.
No multi-speed motorcycle shifting motors.
Shift Kits allowed.
Bicycle tires only.
Motorcycle tires may be allowed in UnLimited class.
All racers Must have a Front Plate with >6" numbers.
eBikes race only for fun & bragging rights. No trophy.
All safety gear worn when on track. Helmets buckled.
No Drinking or Drugging when riding on the track.
All riders MUST SIGN RACER WAIVER to be on TRACK
EVERYONE MUST SIGN WAIVER To Be On PROPERTY
NO FIREWORKS OR YOU WILL BE SENT HOME.
All CHINA Girl racers agree to tear downs after race.
Pull head or remove exhaust.
Refusing a tear down is a DQ + PENALTY.
The 3 trophy winners may be inspected & others.
Illegal mods will be Penalized even if not placed.
Any Rule loophole exploited against the spirit of our fun races will be instantly closed. Please ask first if you are not sure.
Exemptions on a case by case basis may be granted about using case reeds, oversized pistons, etc for the Beginner class, but you can not be capable of finishing in the top 5 and must apply a week before the race.
