CRANKCASE
5-77
EAS25570
DISASSEMBLING THE CRANKCASE
NOTE:
Loosen the generator shaft bolt before removing
the generator rotor.
1. Loosen:
• Generator shaft bolt “1”
NOTE:
While the holding the generator rotor “2” with the
primary sheave holder “3”, loosen the generator
shaft bolt.
2. Remove:
• Crankcase bolts
NOTE:
• Loosen each bolt 1/4 of a turn at a time, in stag-
es and in a crisscross pattern. After all of the
bolts are fully loosened, remove them.
• Loosen the bolts in decreasing numerical order
(refer to the numbers in the illustration).
• The numbers embossed on the crankcase in-
dicate the crankcase tightening sequence.
• M8 × 100 mm bolts: “1”, “2”
• M8 × 80 mm bolt: “3”
• M6 × 105 mm bolt: “21”
• M6 × 85 mm bolt: “9”, “13”
• M6 × 75 mm bolts: “14”, “15”
• M6 × 60 mm bolts: “4”–“7”
• M6 × 40 mm bolts: “8”, “10”–“12”, “16”–“20”
3. Turn:
• Shift drum segment
NOTE:
Turn the shift drum segment “1” to the position
shown in the illustration. In this position, the shift
drum segment’s teeth will not contact the crank-
case during crankcase separation.
4. Remove:
• Left crankcase
CAUTION:
EC5YU1016
• First check that the shift drum segment’s
teeth then remove the left crankcase.
Sheave holder
90890-01701
Primary clutch holder
YS-01880-A
A. Right crankcase
B. Left crankcase
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