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.
K&J Racing Solutions Stock Moto
CRF/XR100, DRZ125, TTR125, CRF125, CRF/XR80,
KLX110, CRF110, BONE STOCK Grom / Z125
- No internal engine or chassis modifications
- No small wheel conversions
*CRF100 / XR100 / TTR125 may run 16" front wheel
*KLX 110 / CRF110 may run 12" wheels
- OEM forks, shock and internals
- OEM exhaust and airbox
- Stock foot peg mounting
- May change springs, gearing and controls
Howling Moto Super Street 125
- Street legal 125cc bikes: Grom, z125, etc
- Stock chassis, swingarm, wheels
- Stock engine with limited performance modifications
- May change controls, gearing, suspension
- See rule book for full list of approved bolt-on modifications
SV Racing Parts Formula 3
- Air Cooled 4-Stroke, 2-valve, Max 125cc
- Liquid Cooled 2 Stroke max 62cc
- Air Cooled 2 Stroke max 75cc
- Unlimited modifications within the displacement limits above
- YCF SM F150, SM F155 and Kayo MR150R allowed in crate form
Formula 2
- Air Cooled 4-Stroke, 2-valve, Max 160cc
- Air Cooled 4-Stroke, 4-valve, Max 125cc
- No liquid cooled 4-stroke
- Air Cooled 2-Stroke max 80cc
- Liquid Cooled 2-Stroke max 72cc
- Unlimited modifications within the displacement limits above
73 Moto Parts Formula 1
- Air Cooled 4-Stroke, Max 190cc
- Liquid Cooled 4-Stroke max 150cc
- Air Cooled 2-Stroke max 125cc
- Liquid Cooled 2-Stroke max 105cc
- Unlimited modifications within the displacement limits above
K&J Racing Solutions 50 Cup
- Only CRF/XR50, TTR50, DRZ50
- Stock engine, exhaust, carb, etc
- May only change controls, jets, springs
Exhibition Classes
Please visit our Facebook Group and check for others coming to have a class. Exhibition classes can be run with as few as three bikes.
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 helmet in good condition with no signs of damage are required
- Road race or MX over the ankle boots are required
- Leather over the wrist gauntlet gloves are required
- One or Two Piece leather race suit is required
- Back protectors are highly recommended
- See the CIMM Rule Book for full rider requirements
Basic Bike Requirements
- Plastic bar ends or plastic wrapped handguards are required
- Plastic sliders are required on pegs, axles and any other hard part that could touch the ground in a crash
- Fluid fill and drain plugs must be safety wired
- Bikes must have street style tires, knobby tires are not allowed
- No bikes other than the approved model list are allowed
- Antizreeze is not allowed. Water wetter additive is allowed
- Fluid catch cans are required on fuel, oil, and coolant overflows