ANUAL SERVICE M

PISTON INSTALLATION

Clean any gasket material from the cylinder mating surfaces of the crankcase.

Apply molybdenum solution oil to the connecting rod small end.

Place a shop towel around the piston skirt and in the crankcase to prevent the piston pin clips from falling into the crankcase.

Apply engine oil to the piston pin outer surface and piston pin hole of the piston.

Install the piston with the "IN" mark facing intake side.

Install the piston pin and new piston pin clips.

• Always use new piston pin clips. Reinstalling used piston pin clips may lead to serious engine damage.

Do not align the piston pin clip end gap with the pis­ton cut-out.

CYLINDER INSTALLATION

Install the dowel pins.

Install a new cylinder base gasket on the crankcase.

DOWEL PINS

GASKET

Ш

DOWEL PINS

Avoid piston ring Coat the cylinder bore, piston and piston rings with damage during engine oil and install the cylinder while compress - installation. ing the piston rings.

Install the cylinder mounting bolt.

• After tightening the cylinder head mounting nut, tighten the cylinder mounting bolt securely.

Install a new gasket, cam chain tensioner lifter and bolts.

Tighten the bolts to the specified torque.

TORQUE: 12 N m (1.2 kgf-m, 9 Ibfft)

CAM CHAIN TENSIONER LIFTER

Install the cam chain guide by aligning its tabs with the grooves in the cylinder and the guide end with the groove in the crankcase.

Install the cylinder head (page 9-36).