7. CYLINDER/PISTON K-PIPE 50 PISTON RING INSTALLATION Top Install the piston rings onto the piston. Apply engine oil to each piston ring. Second Be careful not to damage the piston and piston rings during assembly. All rings should be installed with the markings facing up. Top After installing the rings, they should Second rotate freely without sticking. Side Rail Stagger the ring end gaps as the figure shown. Oil Ring Side Rail "IN" Mark Piston Pin Clip Install the piston, piston pin and a new piston pin clip. Position the piston "IN" mark on the intake valve side. Place a clean shop towel in the crankcase to keep the piston pin clip from falling into the crankcase. Piston Piston Pin Dowel Pins CYLINDER INSTALLATION Install the dowel pins and a new cylinder gasket on the crankcase. Gasket 7-6