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AFM 2026 Rulebook

Race Class Finder

Enter your motorcycle's specs to see which AFM classes it can run in. Based on the official 2026 AFM Rulebook.

Year*

Make*

Model*

Displacement, stroke, cylinders, cooling, and valve train auto-complete and lock once year, make, and model are selected.

Displacement (cc)

StrokeCylinders

CoolingValve train

Rider info

Rider Age (Optional)Female rider (AFemme eligible)

License*

Required — Novices are not eligible for literbike classes (SS-OPEN, SB-OPEN, F1, F-PAC).

Check anything you've done to your bike. Some mods disqualify it from certain classes.

Full exhaust systemFull system (header + muffler), beyond a slip-on.
ECU / fueling changesECU flash, piggyback, or standalone ECU; remapped fueling.
Intake modificationsAirbox/velocity stacks/throttle bodies beyond a stock air filter.
Suspension internals or aftermarket shockCartridge kit, revalve, springs, or aftermarket shock.
Brake hardware (calipers / master / rotors)Aftermarket master cylinder, calipers, or rotors.
Aftermarket wheelsNon-OEM wheels.
Race bodyworkRace fairings, tail, fender removed — not OEM bodywork.
Frame or geometry changesModified rake/trail, subframe swap, aftermarket swingarm.
Engine internals or displacement changeCams, pistons, head/port work, big-bore kits.
Lights / mirrors / signals removedBike no longer street-legal.
Race slicks (non-DOT)Non-DOT race slicks fitted.

Try a sample

Eligible classes

Enter your bike and hit "Find eligible classes".

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