3-22
CC287D
NOTE: If the journals are worn, replace the cam-
shaft; then measure the clearance again. If it is still
out of tolerance, replace the cylinder head.
Inspecting Camshaft Spring/Drive
Pin (Front Camshaft Only)
1. Inspect the spring and drive pin for damage.
CF061A
CF060A
2. If damaged, the camshaft must be replaced.
Installing Top-Side
Components
A. Pistons
B. Cylinders
1. Install the piston on the connecting rod making
sure there is a circlip on each side and the open
end of the circlip faces upwards.
NOTE: The piston should be installed so the
arrow points toward the exhaust of the respective
cylinder.
GZ166
2. Place the two alignment pins into position. Place
the cylinder gasket into position; then place a pis-
ton holder (or suitable substitute) beneath the pis-
ton skirt and square the piston in respect to the
crankcase.
GZ159
3. Lubricate the inside wall of the cylinder; then
using a ring compressor, compress the rings and
slide the cylinder over the piston. Route the cam
chain up through the cylinder cam chain housing;
then remove the piston holder and seat the cylinder
firmly on the crankcase.
! CAUTION
The cylinder should slide on easily. Do not force the
cylinder or damage to the piston, rings, cylinder, or
crankshaft assembly may occur.
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