6. CYLINDER HEAD/CYLINDER/PISTON SUPER 9 50 COMBUSTION CHAMBER Combustion Chamber DECABONIZING Remove the carbon deposits from the combustion chamber Avoid damaging the combustion cham- ber wall and cylinder mating surface. Mating Surface CYLINDER HEAD INSPECTION Check the cylinder head for warpage with a straight edge and feeler gauge. Service Limit: SH10DA: 0.10mm replace if over SF10DA: 0.10mm replace if over CYLINDER HEAD INSTALLATION Cylinder head Gasket Install the cylinder head on the cylinder properly. Be careful not to damage the mating surfaces. Install a new cylinder head gasket onto the cylinder. 6-4