Home Tire Selector Class Finder Journal

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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