12. Engine Removal, Inspection and Installation
Cylinder
z Apply engine oil to piston skirt and cylinder wall;
z Hold each piston ring with proper position, insert
piston into the cylinder;
z Tighten the cylinder base bolts temporarily;
Note: When installing the cylinder and cylinder head,
pull the cam chain upward, or the chain will be caught
between sprocket and crankcase.
z Install chain guide ;①
z Fit the dowel pin and new cylinder cover gasket;
Note: Use a new cylinder cover gasket to prevent oil
leakage
Cylinder Head
z Install the cylinder cover, tighten the cylinder head
bolts diagonally to the specified torque.
Cylinder head bolt tightening torque: Initial: 25 N·m
Final: 38 N·m
z Tighten the cylinder head nuts to the specified
torque;
Cylinder head nuts tightening torque:
M6: 10 N·m
M8: Initial 10 N·m
Final 25 N·m
z Tighten the cylinder top nuts and cylinder base to
the specified torque;
Tightening torque: 10 N·m
15-64
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