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POWR
Crankcase, connecting rod, and piston
A
a
b
D
2
D
1
c
D
4
D
3
D
6
D
5
a
BOW
D
D
D
1,
3,
5
D
D
D
2,
4,
6
A
5-104
Connecting rod check
1. Measure:
• Connecting rod small end inside
diameter a
Out of specification → Replace the con-
necting rod assembly.
Connecting rod small end inside
diameter a:
22.015–22.028 mm
(0.8667–0.8672 in)
Cylinder check
1. Check:
• Cylinder wall
Vertical scratches → Replace the cylin-
der block.
2. Measure:
• Cylinder bore (D
1
Out of specification → Replace the cyl-
inder block.
Measurement step:
1. Measure the cylinder bore (D
suring points a, b, and c, and in direc-
tions (D
, D
, and D
1
3
the crankshaft, and directions (D
D
), which are at a right angle to the crank-
6
shaft.
Cylinder bore (D
86.000–86.015 mm
(3.3858–3.3864 in)
Measuring points:
a: 20 mm (0.8 in)
b: 50 mm (2.0 in)
c: 80 mm (3.1 in)
E
–D
)
6
–D
) at mea-
1
6
), which are parallel to
5
, D
, and
2
4
–D
):
1
6
1
2
3
4
5
6
7
8
9
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