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Rubber Drive Belt
This CDI comes pre-programmed with advanced timing
Connects the carburetor to the cylinder head
chain sprocket/free wheel (fly wheel)
Hoca 50cc QMB139, Performance Cylinder Kit Lights and Reflectors Rubber Drive BeltHoca 50cc QMB139 4 stroke 50mm, Racing Big Bore Cylinder Set. Kit includes cylinder, piston, rings, piston pin, cir clips, head gasket, and base gasket. Please see our Warranty & Returns Policy. We recommend that you use our QMB139 performance cylinder head (see Related Items) with this set as some stock cylinder heads will not fit.
