6.1.2 All motorcycles must meet the following requirements in addition to the
applicable requirements in Section 5.
A. Original equipment wheels, brake calipers, forks, frame, engine, fuel
induction system, and swing arm must be used.
(1) 18” wheels may be replaced with 17” wheels of the same width.
(2) 16” wheels may be replaced with 17” wheels of the same width.
(3) Rear swing arms on OEM Belt drive motorcycles may be
replaced to convert final drive assembly from belt to chain drive.
B. Aftermarket brake rotors may be used but must be the same
dimensions as the originals and must be made of a ferrous material.
Non-current motorcycles may use brake rotors up to the same size
as those that come as original equipment on the current model