Cylinder Head (see Cylinder Head Removal)
Lower Camshaft Chain Guide [A]
Tap the cylinder [B] lightly with a plastic mallet to separate
from the crankcase.
Remove the cylinder base gasket.
If the cylinder block is replaced with a new one, piston to
cylinder clearance must be checked against the speci-
Install a new cylinder base gasket [A] and be sure that
two dowel pins [B] are properly fitted in the crankcase.
Pull the camshaft chain taut top avoid kinking it and use
a wrench on the crankshaft to set the piston at BDC.
Position the piston ring opening as follows.
Top Ring [A]
Second Ring [B]
Upper Oil Ring Steel Rail [C]
Oil Ring Expander [D]
Lower Oil Ring Steel Rail [E]
30 ∼ 90° [F]
Apply engine oil to the piston rings and the cylinder inside
Pull the camshaft chain up through the cylinder and insert
a screwdriver to keep the chain from falling back into the
Place the upper camshaft chain guide inside the cylinder
Fit the bottom of the cylinder over the piston rings, press-
ing in on opposite sides of the rings as necessary. Take
care that the rings do not slip out of their proper positions.
Insert the lower camshaft chain guide [A] all the way
Install the cylinder head (see Cylinder Head Installation).
ENGINE TOP END 4-33