Daelim S4 50cc Service Manual - Mojo

9. CYLINDER HEAD / CYLINDER / PISTONSERVICE INFORMATION ···9-1TROUBLE SHOOTING ····· 9-2CAM SHAFT········· 9-3CYLINDER HEAD·······9-5VALVE SPRING········ 9-6IN / EX VALVE ········9-6VALVE GUIDE········ 9-7VALVE SEAT·········9-8IN / EX VALVE ASSEMBLY·· 9-8CYLINDER HEAD ASSEMBLY· 9-10CAM SHAFT ASSEMBLY··· 9-10SERVICE INFORMATIONGENERAL SAFETY● The rocker arm and the camshaft can be served without removing the engine.● The oil of camshaft is supplied through the cylinder head oil hole.● Clean th oil hole prior to assembling the cylinder head.SPECIFICATIONSUNIT ITEM STANDARD VALUE SERVICE LIMITROCKER ARM INNER DIAMETERROCKER ARMROCKER ARM OUTER DIAMETERCAM SHAFTCAM HEIGHTINEXCYLINDER HEAD WARFAGEVALVE SPRING FREE LENGTHVALVEVALVE GUIDEVALVE STEM OUTERDIAMETERVALVE GUIDE IN. DIAMETERCLEARANCE BETWEENSTEM AND GUIDEININEXIN, EXINEXVALVE SEAT WIDTHTORQUE VALUESSPARK PLUGCAM SHAFT HOLDER 7mm NUTCAM CHAIN TENSIONER BOLTCAM CHAIN TENSIONER SEALING BOLTCYLINDER HEAD COVER BOLTCYLINDER HEAD BOLTTAPPET ADJUST NUT1.2kgf·m2.0kgf·m1.1kgf·m0.4kgf·m1.1kgf·m1.2kgf·m1.1kgf·m