CRANKCASE
5-70
EAS3D81031
INSTALLING THE BEARING RETAINERS
1. Install:
• Bearing retainers “1”
NOTE:
• Install each bearing retainer “1” with its “OUT”
mark “a” facing outward.
• Apply locking agent (LOCTITE®) to the
threads of the bearing retainer bolt.
EAS25700
ASSEMBLING THE CRANKCASE
1. Thoroughly clean all the gasket mating sur-
faces and crankcase mating surfaces.
2. Apply:
• Sealant
(onto the crankcase mating surfaces)
NOTE:
Do not allow any sealant to come into contact
with the oil gallery.
3. Install:
• Left crankcase
(onto the right crankcase)
NOTE:
Tap lightly on the left crankcase with a soft-face
hammer.
4. Install:
• Crankcase bolts (M10)
• Crankcase bolts (M6)
NOTE:
• Apply locking agent (LOCTITE®) to the
threads of the bolts “2”.
• Tighten each bolt 1/4 of a turn at a time, in stag-
es and in a crisscross pattern.
• M10 × 110 mm bolts: “1”
• M6 × 120 mm bolts: “2”
• M6 × 80 mm bolts: “3”
5. Apply:
• Engine oil
(onto the crankshaft pin bearings and oil de-
livery holes)
6. Check:
• Crankshaft and transmission operation
Rough movement → Repair.
T
R
.
.
Bearing retainer bolt
12 Nm (1.2 m·kg, 8.7 ft·lb)
LOCTITE®
Yamaha bond No. 1215
90890-85505
(Three Bond No.1215®)
a
1
T
R
.
.
Crankcase bolt (M10)
36 Nm (3.6 m·kg, 25 ft·lb)
Crankcase bolt (M6)
10 Nm (1.0 m·kg, 7.2 ft·lb)
A. Right crankcase
B. Left crankcase
A
1
2
3
3
3
3
B
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