Cylinder Kit 40.5mm for 50cc Yamaha PW50 Engine 133764 Gas nipple on bottom for

Gas nipple on bottom for petcock

Rear clutch for 70-125cc engine

You mount the bracket to your unit

Mounting hole distance: 10

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Cylinder Kit 40.5mm for 50cc Yamaha PW50 Engine 133764 Gas nipple on bottom forChinese 40. 5mm Cylinder Kit for 50cc Yamaha PW50 Engine. This Chinese 40. 5mm cylinder kit is the replacement part for the Yamaha PW50 dirt bike. Cylinder kits ship complete with cylinder, 40. 5mm piston, piston rings, piston pin, piston clips, and top end gasket set. This kit fits the Yamaha PW50 50cc models. Cylinder kit description: Top end gasket set included [as pictured] Piston kit also included [as pictured] Piston Height: 50mm approx. Piston