7. CYLINDER/PISTON STRYKER 125/150 Measure the connecting rod small end I.D. Service Limit: 15.090mm replace if over PISTON INSTALLATION Piston Ring Installation First install the third ring side rail onto the piston and then install the oil ring, side rail, second ring and the top ring onto the piston. Apply engine oil to each piston ring. Top · Be careful not to damage or break the Second piston and piston rings. Oil · All rings should be installed with the English markings facing up. · When assembling the piston rings, do not expand the ring end gap larger than 8 times of its thickness. · After the rings are installed, they should rotate freely without sticking. Remove any gasket material from the crankcase surface. Place a shop towel in the crankcase to prevent foreign matters from falling into the crankcase. Gasket 7-7