This is a spec class for maximum 125cc four stroke off-road style motorcycles. All stock motorcycle components must be in place and unmodified unless stated below.
 1 Maximum 125cc single vertical cylinder four-stroke air-cooled engines.
2 Carburetor modifications are restricted to changes to needle jet, pilot jet and main jet only. Main jetting is not to exceed 25% of stock jetting.
3 Only OEM oversized piston sizes or equivalent are allowed.
4 Only external changes to gearing are allowed.
5 Stock bodywork must be retained. Stock seat may be modified but must retain stock mounting points.
6 Aftermarket handlebars may be used but must retain stock mounting points and the grips must be above the level of the upper triple tree.
 7 Modifications to stock air box are allowed.
8 No suspension modifications allowed other then the installation of spacers/tubing, spring and fork oil to stiffen the suspension. All stock factory adjustments may be utilized.
9 Aftermarket DOT tires are allowed but motorcycle must retain stock OEM hubs and rims. Slicks are not allowed.
10 Heavy duty spokes are allowed.
11 Only commercially available pump gas may be used. Additives for lubrication and knock suppression will be permitted provided they fall within CMA rules. |
