- Crankshaft journal bearings (with the recommended lubricant)
Recommended lubricant: Engine oil.
2. Apply:
- Sealant
Yamaha bond No. 1215 (Three Bond No.1215®): 90890-85505.
Note: Do not allow any sealant to come into contact with the oil gallery or crankshaft journal bearings. Do not apply sealant to within 2-3 mm (0.08-0.12 in) of the crankshaft journal bearings.
3. Install:
- Dowel pin
4. Set the shift drum assembly and transmission gears in the neutral position.
5. Install:
- Lower crankcase «1» (onto the upper crankcase «2»)
Caution! 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
Notes:
- Lubricate the bolt threads with engine oil.
- Install a washer on bolts «1» - «10» and «22».
- Seal bolt «18»
- Tighten the bolts in the tightening sequence cast on the crankcase.
- M9 x 105 mm (4.1 in) bolts: «1» - «10»
- M8 x 60 mm (2.4 in) bolt: «11» LOCTITE®
- M8 x 60 mm (2.4 in) bolts: «12», «16»
- M6 x 70 mm (2.8 in) bolts: «19», «21», «23»
- M6 x 65 mm (2.5 in) bolts: «17», «18»
- M6 x 60 mm (2.4 in) bolt and washer: «22»
- M6 x 60 mm (2.4 in) bolts: «24», «25»
- M6 x 50 mm (2.0 in) bolts: «20», «26»
- M8 x 50 mm (2.0 in) bolts: «13» - «15»
Crankcase bolt:
- Bolt «1»-«10»:
- 1st: 20 Nm (2.0 m·kg, 14 ft·lb)
- 2nd*: 20 Nm (2.0 m·kg, 14 ft·lb)
- 3rd: + 60°
- Bolt «11»-«16»:
- 24 Nm (2.4 m·kg, 17 ft·lb)
- Bolt «17»-«26»:
- 12 Nm (1.2 m·kg, 8.7 ft·lb)
* Following the tightening order, loosen the bolt one by one and then retighten it to the specific torque.
