- 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.
![](https://motoinstruction.ru/img/yamaha/3/111947.jpg)
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.
![](https://motoinstruction.ru/img/yamaha/3/111948.jpg)
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.
![](https://motoinstruction.ru/img/yamaha/3/111949.jpg)