User manual

5-68
CONNECTING RODS AND PISTONS
ENG
NOTE:
NOTE:
EAS00387
REMOVING THE CRANKSHAFT ASSEMBLY
1. Remove:
S crankshaft assembly
S crankshaft journal upper bearings
(from the upper crankcase)
Refer to “CRANKSHAFT”.
Identify the position of each crankshaft journal
upper bearing so that it can be reinstalled in its
original place.
EAS00261
CHECKING THE CYLINDER AND PISTON
1. Check:
S piston wall
S cylinder wall
Vertical scratches ! Replace the cylinder,
and the piston and piston rings as a set.
2. Measure:
S piston-to-cylinder clearance
a. Measure cylinder bore “C” with the cylinder
bore gauge.
Measure cylinder bore “C” by taking side-to-
side and front-to-back measurements of the cyl-
inder. Then, find the average of the measure-
ments.