Yamaha FZ8NA Service Manual page 333

3. Install:
• Dowel pins
4. Set the shift drum assembly and transmis-
sion gears in the neutral position.
5. Install:
• Lower crankcase "1"
(onto the upper crankcase "2")
ECA13980
Before tightening the crankcase bolts,
make sure the transmission gears shift cor-
rectly when the shift drum assembly is
turned by hand.
6. Install:
• Crankcase bolts
TIP
• Lubricate the bolts "1"–"10" thread, mating
surfaces and washers with engine oil.
• Lubricate the bolts "11"–"26" thread and mat-
ing surfaces with engine oil (except "11").
• Apply LOCTITE® to the screw of the bolt
"11" and engine oil to the bearing surface.
• Tighten the bolts in the tightening sequence
cast on the crankcase.
• M9 × 105 mm (4.1 in) bolts with washers:
"1"–"10"
New
• M8 × 60 mm (2.4 in) bolt: "11"
• M8 × 60 mm (2.4 in) bolts: "12", "16"
• M8 × 50 mm (2.0 in) bolts: "13"–"15"
• M6 × 70 mm (2.8 in) bolts: "19", "21", "23"
• M6 × 65 mm (2.5 in) shoulder bolts: "17",
"18"
• M6 × 60 mm (2.4 in) bolt and copper
washer: "22"
• M6 × 60 mm (2.4 in) bolts: "24", "25"
• M6 × 50 mm (2.0 in) bolts: "20", "26"
Crankcase bolt "1"–"10"
1st: 20 Nm (2.0 m·kgf, 14 ft·lbf)
2nd*: 20 Nm (2.0 m·kgf, 14
ft·lbf)
3rd: 56°–61°
Crankcase bolt "11"–"16"
24 Nm (2.4 m·kgf, 17 ft·lbf)
Crankcase bolt "17"–"26"
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
* Following the tightening order, loosen the
bolt one by one and then retighten it to the
specific torque.
5-68
CRANKCASE