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3-11
3
11. Remove the two nuts securing the right side of the
cylinder to the right-side crankcase half.
FI622A
12. Lift the cylinder off the crankcase taking care not
to allow the piston to drop against the crankcase.
Account for the gasket and two alignment pins.
FI624A
13. Using an awl, remove one piston-pin circlip. Take
care not to drop it into the crankcase.
FI625
14. Using Piston Pin Puller, remove the piston pin.
Account for the opposite-side circlip. Remove the
piston.
NOTE: It is advisable to remove the opposite-side
circlip prior to using the puller.
MD1219
NOTE: Support the connecting rod with rubber
bands to avoid damaging the rod or install a con-
necting rod holder.
Servicing Top-Side
Components
NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.
VALVE ASSEMBLY
When servicing valve assembly, inspect valve seats,
valve stems, valve faces, and valve stem ends for pits,
burn marks, or other signs of abnormal wear.
NOTE: Whenever a valve is out of tolerance, it
must be replaced.
Cleaning/Inspecting Cylinder Head
Cover
NOTE: If the cylinder head cover cannot be trued,
the cylinder head assembly must be replaced.
1. Wash the cylinder head cover in parts-cleaning
solvent.
AT THIS POINT
To service cylinder, see Servicing Top-Side Compo-
nents sub-section.
CAUTION
When removing the cylinder, be sure to support the
piston to prevent damage to the crankcase and piston.
CAUTION
Do not allow the connecting rod to go down inside the
crankcase. If the rod is down inside the crankcase and
the crankshaft is rotated, severe damage will result.
AT THIS POINT
To service piston, see Servicing Top-Side Compo-
nents sub-section.
AT THIS POINT
To service center crankcase components only, pro-
ceed to Removing Left-Side Components.
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