1978-80 Yamaha XS650 Rear Master Cylinder Rebuild Kit ~ OEM 1J3-W0042-50 Camshaft Drive Parts pushrod travel

pushrod travel

keeping dirt out while maintaining the correct airbox seal

Kickstart return spring

and perch clearance

1978-80 Yamaha XS650 Rear Master Cylinder Rebuild Kit ~ OEM 1J3-W0042-50 Camshaft Drive Parts pushrod travelRear Master Cylinder Rebuild Kit Replaces Yamaha OEM 1J3 W0042 50. This front master cylinder part rebuilds or services the brake master cylinder so lever pressure transfers cleanly to the front brake line. Install this rear master cylinder kit during brake service when the rear brake pedal feels soft, the piston sticks, the reservoir seeps, or brake pressure will not build consistently. Fitment Compatibility Fits Yamaha: Yamaha XS500 (1976 78) Yamaha