This rulebook was last updated January 4 2022.
The following will be the NWMM championship classes for 2021:
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
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 email@example.com for details.
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.