Stock Beginner - YSR.s -

F-50 Beginner - Stock Water-cooled 50cc - NSR50 - Derbi50 - Aprilia50, etc.

Formula 50 can race with F-GP

F-GP Beginner - Includes all air-cooled engines up to 70cc

Stock Amateur - YSR.s -

F-50 Amateur - Stock Water-cooled 50cc - NSR50 - Derbi50 - Aprilia50, etc.

Formula 50 can race with F-GP

F-GP Amateur

Stock Expert - YSR.s -

F-50 Expert - Stock Water-cooled 50cc - NSR50 - Derbi50 - Aprilia50, etc.

Formula 50 can race with F-GP

F-GP Expert

Vets Stk. -Div 1-Exp - Vets Stk. - Div 2-Bg/Am

Vets Mod -Div 1-Exp - Vets Mod.-Div 2-Bg/Am

F-Thunder-Div. 1-Exp - F-Thunder-Div 2-Bg/Am

80ccGP Amateur

80ccGP Expert

80cc Stock - Am - 85cc limit

80cc Stock - Exp. - 85cc limit

Formula Extreme