CRANKCASE
5-79
2. Apply:
• Sealant
(onto the crankcase mating surfaces and oil
baffle plate 2)
NOTE:
Do not allow any sealant to come into contact
with the oil gallery or crankshaft journal bear-
ings. Do not apply sealant to within 2–3 mm
(0.08–0.12 in) of the crankshaft journal bearings.
3. Install:
• Dowel pins
4. Set the shift drum assembly and transmission
gears in the neutral position.
5. Install:
• Lower crankcase “1”
(onto the upper crankcase “2”)
CAUTION:
ECA13980
Before tightening the crankcase bolts, make
sure the transmission gears shift correctly
when the shift drum assembly is turned by
hand.
6. Install:
• Crankcase bolts
NOTE:
• Lubricate the bolts “1”–“10” thread and wash-
ers with engine oil.
• Lubricate the bolts “11”–“31” thread part and
mating surface with engine oil.
• Apply locking agent (LOCTITE
®
) to the threads
of the bolt “16”.
• Finger tighten the crankcase bolts.
• M9 × 115 mm bolts: “1”–“10”
• M8 × 65 mm bolt: “11”
• M8 × 50 mm bolt: “12”
• M6 × 80 mm bolts: “23”, “25”
• M6 × 65 mm shoulder bolts: “13”, “14”
• M6 × 65 mm bolts: “19”, “22”, “24”, “26”
• M6 × 55 mm bolts: “15”–“18”, “20”, “21”, “27”–
“30”
• M6 × 45 mm bolt: “31”
Recommended lubricant
Engine oil
Yamaha bond No. 1215
90890-85505
(Three Bond No.1215
®
)
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