Pit Bike New Barrel & Piston Kit For YX125 125cc Engine. 52.4mm 14mm Gudgeon Pin. BLUE PIT DIRT BIKE CHAIN GUIDE RUNNER PROTECTOR 110cc 125cc 140cc 150cc PITBIKE. 37 TOOTH 428 SDG PIT BIKE REAR SPROCKET fits 50cc 110cc 125cc PITBIKES.
eBay