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ENGINE TOP END 5-39
Cylinder and Piston
Cylinder R emoval
•
Remove:
Cylinder Head (see C ylinder Head Removal)
Oil Pipe [A]
Chain Guide [B]
Cylinder Bolts [C]
Cylinder [ D]
Cylinder Base Gasket
Piston Removal
•
Remove the cylinder block (see Cylinder Removal).
•
Place a piece of clean cloth under the piston and remove
the piston pin snap rings [A] from the outside of each pis-
ton.
CAUTION
Do not reuse snap rings, as r emoval weakens and
deforms them. They could fall out and score the
cylinder wall.
•
Using the piston pin puller assembly (special tool), re-
move the piston pins.
Special Tools - Piston Pin Puller Assembly [A]: 57001-910
Piston Pin Puller Adapter,
14 [B]: 57001
-1211
•
Remove the piston.
•
Carefully spread the r ing opening with your thumbs and
then push up on the opposite side of the ring [A] to remove
it.
•
Remove the 3-piece oil ring w ith your thumbs in the same
manner.
Cylinde r, Pisto n Installation
NOTE
○
If a new piston or cylinder is used, check piston to cylin-
der clearance (see Piston/Cylinder Clearance), and use
new piston rings.