ProCycle

This kit provides much of the performance gain of the more expensive 150 (143cc) kits. But gives better reliability due to the thicker wall of the cylinder sleeve.

• Wiseco 55mm high compression 11:1 piston, rings, wrist pin, and clips
• HotCams stage 1 performance camshaft
• Includes top end gasket set
• Requires cylinder to be bored to fit the larger piston

We start with Excel or Sun rims, OEM hubs, and Buchanan's heavy gauge stainless steel spokes. Rims and spokes are precision machined for a perfect match to your bike.

Our pro shop then laces and trues your wheels to perfection, giving you the highest quality set of custom wheels available.

• New OEM hubs with bearings and seals installed
• Excel 2.5" x 17" or Sun 2.75" x 17" front rim
• Excel or Sun 3.5" x 17" rear rim
• Buchanan's stainless steel heavy gauge spokes and zinc-plated nipples

Add tires to your wheel order and we will throw in tubes and mount and balance them at no additional charge.

Tune your stock carburetor for better power and response, easier starting and quicker warm up. Mikuni main and pilot jets.

• Main Jets: #110 & #112.5
• Pilot Jets: #17.5 & #20

This kit provides much of the performance gain of our 130 kit but keeps you legal for racing classes that do not allow motors over 125cc.

• Stock bore size Wiseco 54mm high compression 11:1 piston, rings, wrist pin, and clips
• HotCams stage 1 performance camshaft
• Includes top end gasket set
• Piston fits into the stock bore; requires no modification to your cylinder!