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Yamaha YFZ450S 2003 User Manual

Yamaha YFZ450S 2003
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4 - 73
ENG
EBS00337
REMOVING THE CRANKSHAFT
1. Remove:
• crankshaft
1
Use a crankcase separating tool
2
.
Crankcase separating tool
P/N. YU-01135-A, 90890-01135
1
2
EBS00360
CHECKING THE CRANKSHAFT
1. Measure:
• side clearance
d
Out of specification → Replace the crank-
shaft.
2. Measure:
• runout c
Out of specification → Replace the crank-
shaft.
▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼
a. The crankshaft 1 and the crankshaft pin 2
oil passages must be properly intercon-
nected with a tolerance of less than 1 mm
(0.04 in).
▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲
Big end side clearance
0.15 ~ 0.45 mm
(0.0059 ~ 0.0177 in)
<Limit>: 0.50 mm (0.0197 in)
Runout limit
C1: 0.05 mm (0.002 in)
C2: 0.05 mm (0.002 in)
d
C1 C2
2
1
CRANKSHAFT

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Yamaha YFZ450S 2003 Specifications

General IconGeneral
BrandYamaha
ModelYFZ450S 2003
CategoryOffroad Vehicle
LanguageEnglish

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