ENG
REMOVING THE BALANCER AND
CRANKSHAFT ASSEMBLY
1. Remove:
• balancer
• crankshaft assembly
1
CHECKING THE CRANKSHAFT
1. Check:
• lock pin
1
• compression spring
2
• plunger seal
3
Damage/Wear/Locking
-->
Replace.
2. Measure:
• crankshaft alignment
Out of specification
-->
Replace the
crankshaft, the bearing or both of them.
Turn the crankshaft slowly.
NOTE:
3. Measure:
• connecting rod side clearance
D
Out of specification
-->
Replace the
connecting rod bearing or the crankshaft pin.
4. Measure:
• crankshaft width
A
Out of specification
-->
Replace the
crankshaft.
Crankshaft width
69.25 ~ 69.30 mm
(2.7264 ~ 2.7283 in)
1
2
1
3
2
A
D
5-72
Connecting rod side clearance
0.350 ~ 0.650 mm (0.013 ~ 0.026 in)
CRANKSHAFT AND CRANKCASES
• Remove the crankshaft along with the crankshaft
extractor
2
.
• Tighten the crankhaft extractor bolts until the end.
• Make sure the extractor shaft is aligned with the
crankshaft.
NOTE:
Crankshaft maximum misalignment
0.030 mm (0.0012 in)
Содержание YBR250 2007
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