Motor Packages

We get asked all the time, what parts are needed to rebuild your PW50. Well, we decided to make it easy for you with this PAX Racing PW50 Kit.It is all OEM parts.The kit includes:CylinderPistonPiston pinPiston needle bearing Piston clips (2)Piston ring set Base gasketHead gasketClutch spri..

PW50 AMA Stock Package*Motor and Rearend Assembly completely disassembled.*All bearings replaced with higher quality, "stock legal" bearings.*All bearing bores are measured for proper press fit dimensions and adjusted if necessary*OEM Complete Seal and Gaskets installed*Cylinder is checked and match..

Cylinder Porting- Send us your cylinder to get ported for more mid range and top end. ****Please Call to set up a appointment to have your cylinder ported. (661)480-7813..