Daelim S4 50cc Service Manual - Mojo

CYLINDER HEAD / VALVESCAM SHAFTCAM CHAIN● Remove the cam chain from the cam shaft.NOTE•Take precautions not to allow the cam chain todrop into the crankcase.SHAFT● Install the 5mm bolt into the rocker arm shaft andby pulling bolt, remove the rocker arm shaft..● Remove the rocker arm.● Remove the other side rocker arm in the same order.CAM SHAFT HOLDERROCKER ARMROCKER ARMSHAFTINSPECTION● Check the rocker arm and rocker arm shaft for wearor damage.● Measure the inner diameter of the rocker arm.SERVICE LIMIT: 10.10 MM● Measure the outer diameter of rocker arm shaft.SERVICE LIMIT: 9.91 MMCAM SHAFT● Check the cam lobed of the camshaft for wear ordamage.SERVICE LIMIT: IN: 25.68MMEX: 25.52 MM