Follow this link to the 2022 rulebook for NorthWest Mini Moto and Endurance Challenge.


This rulebook was last updated January 4 2022.

If you have feedback on the rulebook, please contact us via email or join the discussion on our Facebook page.

NorthWest Mini Moto Rulebook 2022 FINAL.pdf

Class list

The following will be the NWMM championship classes for 2021:

  • Supersport

  • Street 125

  • Formula 125

  • Scooter

  • Spec 150

  • Formula Middleweight

  • Open

The following non-championship classes will also be available on sprint race days with sufficient entries/interest:

  • Beginner - This is your first race season in any series

  • Intermediate - You have some experience racing

  • Vet 35+ - You are 35 or older

  • Women's Open

  • Moped

  • Alternative power

  • Supermoto/Big Bike - up to 450cc Supermoto, 400cc multi-cylinder (at some venues)

As always, NWMM is open to new classes that don't exceed the Open-class limits, as long as 3+ bikes will be running in that class. Contact for details.

Practice-only Tech requirements

Practice-only tech is relaxed from full race technical requirements, but there are still some:

Bike requirements

  • Motorcycle displacement must be under 595cc for multi-cylinder motorcycles at MAC Track and SKRA. At TCKC, no multi-cylinder motorcycles or motorcycles over 275lbs are permitted; there is no displacement limit.

  • Oil drain and fill must be safety wired or tight and have a dab of silicone on them to verify they have been addressed.

  • NO GLYCOL COOLANT. Water and water-wetter type surfactant additives are the only permitted coolants.

  • No fluid leaks of any kind

  • Mirrors removed or taped over

  • Tires in good condition

  • Throttle, clutch, and brake controls return at all bar positions

  • Drive chain in good condition, properly tensioned, and properly lubricated

  • Mirrors, lights and turn signals removed or completely taped over

  • Supermotos must have peg sliders

  • Non-street motorcycles without OEM fluid retention or crankcase vents routed to the intake must have carb vent/drain lines (if carbureted) and crankcase vents routed to one or more catch cans totaling at least 6oz capacity.

Gear requirements

NWMM practice gear requirements are pegged to Oregon Lightweight Moto requirements with minor changes (underlined):

  • Full coverage - No bare skin showing (Textile motorcycle apparel acceptable). No jeans unless they contain knee armor.

  • Full face street or motocross style helmet (no half shell helmets, brain buckets, etc.)

  • Boots that cover the ankle by at least 2".

  • Gloves must cover hand fully and be of adequate weight and material (leather or heavy textile, no MX gloves)

  • Helmet (Adults) - Must be rated SNELL 2010 or later, ECE 22.05 or later, or FIM standards.

  • Helmet (Juniors) - Must be rated Snell CMS 2007, CMR 2007, SFI 24.1 / 2010, or SFI 24.1 / 2013

Changes for 2022

• Section 1: Changed some wording for clarity

• Section 2:

◦ Removed language about purchasing transponders through NWMM.

◦ Changed age limits for entry vs. contingent entry after rider evaluation.

• Section 3:

◦ Moved some wording regarding additional classes around for clarity.

◦ Clarified language around electric motorcycles and added an electric power equivalency guide in Section 3.2.8.

◦ Added 275lb total weight limit (will be waived at some venues for Supermoto/Big Bike).

◦ Street 125 modified to remove loophole allowing the GSX-R125, modified to allow for aftermarket oil pumps and oil coolers.

◦ Changed the SM150 Spec class to just “150 Spec” and modified the rules:

▪ Kayo MR150s, Kawasaki KX60s, Honda NSR50s with a 60cc kit, and any motorcycles with 12” wheels that are legal in slower classes are now legal in 150 Spec if using the spec tire.

▪ Spec tire now includes the Kenda KD2.

▪ Revised rules to work for non-YCF motorcycles and keep modifications reasonably restricted.

▪ Additional allowances for reliability modifications: Modified valve springs, valve retainers, CDI boxes, additional ignition mods, and passive instrumentation.

◦ Open class: Reduced the 4V displacement limit to 190cc, restricted the 212cc lightweight group to 2V only, and clarified the 250cc 2V limit to apply to heavier bikes like the CRF230F, XT225, etc.

◦ Changed the “Vet” classes to a combined “Vet 35+” class.

◦ Added a “Women’s Open” non-championship class for women only.

◦ Added “Supermoto/Big Bike” non-championship class.

• Section 4: Changed the wording around transponders; transponder availability is no longer guaranteed.

• Section 6: Added a rule to prevent riders gaining advantage after causing a red flag.

• Section 7: Added a hot engine grid start option for endurance races. Clarified penalties for riding infractions for individual riders on endurance teams. Added a rule to prevent teams from gaining advantage by causing a red flag.

• Section 9: Added a “no Nazi flags” clause to the harassment policy.