8. CYLINDER/PISTON ATV 150/125 Inspect the top of the cylinder for warpage. Service Limit: 0.05 mm (0.002 in) Measure the connecting rod small end I.D. Service Limit: 15.06 mm (0.6024 in) PISTON RING INSTALLATION Install the piston rings onto the piston. Apply engine oil to each piston ring. · Be careful not to damage or break the piston and piston rings. · All rings should be installed with the markings facing up. Top · After installing the rings, they should Second rotate freely without sticking. Side Rail Oil Ring Side Rail 8-8