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ENG
CONNECTING RODS AND PISTONS
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.
EAS00387
REMOVING THE CRANKSHAFT
ASSEMBLY
1. Remove:
• crankshaft assembly 1
• crankshaft journal upper bearings
(from the upper crankcase)
NOTE:
_
Identify the position of each crankshaft journal
upper bearing so that it can be reinstalled in its
original place.
EAS00261
CHECKING THE CYLINDER AND PISTONS
1. Check:
• piston wall
• cylinder wall
Vertical scratches → Replace the cylinder,
and the piston and piston rings as a set.
2. Measure:
• piston-to-cylinder clearance
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a. Measure cylinder bore “C” with the cylinder
bore gauge.
NOTE:
_
Measure cylinder bore “C” by taking side-to-
side and front-to-back measurements of the
cylinder. Then, find the average of the mea-
surements.