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• Tap lightly on the left crankcase with a soft-
face hammer.
4. Install:
• Crankcase bolts (M8)
• Crankcase bolts (M6)
Crankcase bolt (M8)
24 Nm (2.4 m·kg, 17 ft·lb)
Crankcase bolt (M6)
10 Nm (1.0 m·kg, 7.2 ft·lb)
NOTE:
• Lubricate the bolt threads with engine oil.
• Tighten each bolt 1/4 of a turn at a time, in stag-
es and in a crisscross pattern.
• Tighten the bolts in numerical order (refer to
the numbers in the illustration).
• M8 × 100 mm bolts: "1", "2"
• M8 × 80 mm bolt: "3"
• M6 × 105 mm bolt: "21"
• M6 × 85 mm bolts: "9", "13"
• M6 × 75 mm bolts: "14", "15"
• M6 × 60 mm bolts: "4"–"7"
• M6 × 40 mm bolts: "8", "10"–"12", "16"–"20"
A. Right crankcase
B. Left crankcase
5. Apply:
• Engine oil
(onto the crankshaft pins bearings and oil de-
livery holes)
6. Check:
• Crankshaft and transmission operation
Rough movement → Repair.
7. Install:
• Generator shaft bolt "1"
Generator shaft bolt
28 Nm (2.8 m·kg, 20 ft·lb)
NOTE:
While the holding the generator rotor "2" with the
primary sheave holder "3", tighten the generator
shaft bolt.
Sheave holder
90890-01701
Primary clutch holder
YS-01880-A
5-79
CRANKCASE
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Troubleshooting
