CRANKSHAFT
5-62
EAS26030
REMOVING THE CONNECTING RODS AND
PISTONS
The following procedure applies to all of the
connecting rods and pistons.
1. Remove:
• Connecting rod cap “1”
• Big end bearings
NOTE:
Identify the position of each big end bearing so
that it can be reinstalled in its original place.
2. Remove:
• Piston pin clips “1”
• Piston pin “2”
•Piston “3”
CAUTION:
ECA4S81024
Do not use a hammer to drive the piston
pin out.
NOTE:
• For reference during installation, put identifi-
cation marks on the piston crown.
• Before removing the piston pin, deburr the
piston pin clip groove and the piston pin bore
area. If both areas are deburred and the pis-
ton pin is still difficult to remove, remove it
with the piston pin puller set “4”.
3. Remove:
•Top ring
• 2nd ring
•Oil ring
NOTE:
When removing a piston ring, open the end
gap with your fingers and lift the other side of
the ring over the piston crown.
EAS25980
REMOVING THE CRANKSHAFT ASSEMBLY
1. Remove:
• Crankshaft assembly
• Crankshaft journal upper bearings
(from the upper crankcase)
Refer to "CRANKSHAFT" on page 5-60.
NOTE:
Identify the position of each crankshaft journal
upper bearing so that it can be reinstalled in its
original place.
Piston pin puller set
90890-01304
Piston pin puller
YU-01304
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