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ENG
CYLINDERS AND PISTONS
CAUTION:
NOTE:
NOTE:
EAS00254
REMOVING THE CYLINDERS AND PISTONS
The following procedure applies to all of the cyl-
inders and pistons.
1. Remove:
Spiston pin clip
1
Spiston pin
2
Spiston
3
Do not use a hammer to drive the piston pin
out.
SBefore removing the piston pin clip, cover the
crankcase opening with a clean rag to prevent
the piston pin clip from falling into the crank-
case.
SFor reference during installation, put an identi-
fication mark on each piston crown.
SBefore removing the piston pin, deburr the pis-
ton pin clip’s groove and the piston’s pin bore
area. If both areas are deburred and the piston
pin is still difficult to remove, remove it with the
piston pin puller
4
.
Piston pin puller
90890-01304
2. Remove:
Stop ring
S2nd ring
Soil ring
When removing a piston ring, open the end gap
with your fingers and lift the other side of the ring
over the piston crown.
EAS00260
CHECKING THE CYLINDERS AND PISTONS
The following procedure applies to all of the cyl-
inders and pistons.
1. Check:
Spiston wall
Scylinder wall
Vertical scratches ! Replace the cylinder,
and replace the piston and piston rings as a
set.
2. Measure:
Spiston to cylinder clearance