
Originally Posted by
Jesse Davis
here. ill write the rules real quick for this class.
500 Superstock - Up to 500CC Twin cylinder machines. No 450 motards. Bikes must have been sold as street legal machines. examples: Suzuki GS500, Honda CBR500, Kawasaki EX500, KTM 390 Duke/RC.
300 Superstock - Up to 300CC twin cylinder machines using superstock rules. 250cc machines using Superbike rules with standard bore and stroke. Bikes must have been sold as street legal machines.
250 Superstock - Up to 250CC twin and single cylinder machines using superstock rules. Kawasaki EX250, Yamaha WR250X motard.
Formula 4 - Up to 250cc water cooled four stroke twins. 100CC water cooled 2 stroke singles. 125CC air cooled 2 stroke singles. Up to 360cc, Pre 1974 aircooled twins, formula rules. No 250R dirtbike engines. Examples: EX250 motor in GP frame. aircooled 125CC 2 stroke in GP frame, EX250 using formula rules.