Scooter Timing Chain Guide Set for GY6 50cc 80cc 139QMB Cam Chain Guides Upper &

ITEM NAME:Scooter Timing Chain Guide Set for GY6 50cc 80cc 139QMB Cam Chain Guides Upper & Description:.Fits many Scooters, Mopeds, Motorbikes, ATVs with 50cc 80cc 4-Stroke GY6 139QMB engines. The cam chain guide is on the front of the engine, it sits against the cam chain guide roller. 1 Set Cam Chain Guides.