CIMM RACE CLASSES AND RULES

The rules below are a basic summary. 

It is your job to abide by the full rule book.  

SPRINT CLASSES 

#1 Rule for all bikes is safety and crash protection. All fluids must be contained and drain/fill plugs must be safety wired. Sliders must be used so that no metal with scratch or gouge the racing surface in the event of a crash. 

Stock Moto

CRF/XR100, DRZ125, TTR125, CRF125, CRF/XR80, KLX110, CRF110, BONE STOCK Grom / Z125

- Air cooled 4-Stroke, Max 125cc

- No internal engine modifications

- No chassis modifications

- No small wheel conversions

*CRF100 / XR100 may run crf80 or xr80 16" front wheel

*KLX 110 / CRF110 may run 12" wheels and DOT tires.

- OEM forks and internals

- OEM rear shock

- OEM exhaust

- OEM air box

- Stock foot pegs

- May change springs and gearing

Super Street 125 (Grom / Z125)

- Stock Chassis and Swingarm

- Stock 12" Wheels

- Stock Engine, No Internal Performance Modifications

- May Change Gearing

- See RULEBOOK for Full List Of Approved Bolt-On Modifications

SPECIAL EVENT CLASSES

Formula 2

- Air Cooled 4-Stroke Max 160cc

- Liquid Cooled 2 Stroke max 72cc

- Unlimited modifications on mid-sized bikes

- Mini GP chassis bikes must remain stock (Ohvale, Bucci)

Formula 3

- Air Cooled 4-Stroke, 2-valve, Max 125cc

- Liquid Cooled 2 Stroke max 62cc

- Air Cooled 2 Stroke max 75cc

- Unlimited modifications on mid-sized bikes

- Mini GP chassis bikes must remain stock (Ohvale, Bucci)

50 Cup 

- Only CRF 50, TTR50, DRZ50

- Stock engine, exhaust, carb, etc

- May only change controls, jets, springs

CIMM BIKE AND RIDER REQUIREMENTS

The #1 goal at all CIMM events is rider SAFETY. No rough riding. No passing when yellow is displayed in a corner.

Basic Rider Requirements

- Full face street or MX Helmet. Snell approved in good condition with no signs of damage.

- Road race or MX over the ankle boots

- Over the wrist gauntlet style leather gloves

- One or Two Piece leather race suit

- Back protectors highly recommended

- Please see CIMM rule book for full rider requirements.

Basic Bike Requirements

- All Bikes must have crash protection 

- All bikes must have plastic bar ends or plastic wrapped Bark busters

- All bikes much have folding pegs

- All bikes must have rubber or other protective means on pegs

- Fluid fill and drain plugs must be safety wired

- Must have street style tires, knobby tires are not allowed

- No overly loud bikes

- No bikes other than the approved model list

- Water, water wetter, engine ice and other non ethylene glycol types of coolant only.

- Must have catch cans for fuel, oil, and coolant overflows 

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