This rocker arm assembly is for Type-2 139QMB engines that use a 69mm length valve stem and a taller head (Type-1 engines have a shorter head and 64mm length valve stem).
Original Parts For Scooters SKU 151-282
Specifications:
Compatibility:
139QMB-based 50cc / 80cc engines with the following engine codes:
Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.
About Blue Line: About Blue Line: Blue Line offers OEM equivalent replacement parts for on-road scooters. Blue Line parts are a direct-fit replacement when OEM parts are unavailable or overly expensive for your scooter. Since 2018, Blue Line has provided quality parts at great prices.
