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POWR
a
È
d
2
1
1
a
Crankcase, connecting rod, and piston
90˚
c
b
90˚
3
E
b
3. Offset:
• Piston ring end gap
a Top ring, oil ring expander spacer
b 2nd ring
c Upper oil ring rail
d Lower oil ring rail
È Front mark
4. Install:
• Connecting rod bearings 1
• Connecting rod cap 2
• Connecting rod assembly 3
Installation steps:
1. Clean the bearings and connecting rod big
end.
2. Install the upper bearing into the connect-
ing rod assembly 3 and lower bearing into
the connecting rod cap 2.
TIP
• Install the connecting rod bearings in their
original positions.
• Insert the projections a of the bearings into
the slots in the connecting rod cap and con-
necting rod.
3. Install the connecting rod cap 2 into the
connecting rod assembly 3.
TIP
Make sure that the characters b on the con-
necting rod cap and connecting rod are
aligned.
4. While compressing the piston rings with
the special service tool, install the con-
necting rod assembly into the cylinder.
Piston ring compressor:
YM-08037/90890-05158
5-115
E
1
2
3
4
6
7
8
9
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