Yamaha YZF-R1B 2012 Service Manual page 324

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
6. Install:
• Crankcase bolts
TIP
• Lubricate the bolts "1"–"10" thread, mating
surfaces and washers with engine oil.
• Lubricate the bolts "11"–"18" thread, mating
surfaces and O-rings with engine oil.
• Lubricate the bolts "19"–"40" thread and mat-
ing surfaces with engine oil (except "31").
• Apply LOCTITE® to the screw of the bolt
"31" and engine oil to the bearing surface.
• M9 × 100 mm bolts with washers: "1"–
"10".
New
• M8 × 60 mm bolts with new O-rings:
"11"–"18".
• M8 × 60 mm bolts: "19", "20".
• M6 × 70 mm bolt: "31".
• M6 × 65 mm shoulder bolts: "21", "22"
• M6 × 60 mm bolts: "30", "32"–"36".
• M6 × 50 mm bolts: "23"–"25", "27"–"29",
"40".
• M6 × 40 mm bolts: "26", "37"–"39".
7. Tighten:
• Crankcase bolts "1"–"10"
Crankcase bolts (M9 × 100 mm)
1st: 30 Nm (3.0 m·kgf, 22 ft·lbf)
*2nd: 18 Nm (1.8 m·kgf, 13
ft·lbf)
3rd: +60°
email: info@motomatrix.co.uk
*Following the tightening order, loosen the
bolt one by one and then retighten it to the
specific torque.
EWA14B1030
WARNING
If the crankcase bolt is tightened more than
the specified angle, do not loosen the bolt
and then retighten it. Instead, replace the
crankcase bolt with a new one and perform
the procedure again.
ECA14B1043
Do not use a torque wrench to tighten the
crankcase bolt to the specified angle.
TIP
Tighten the bolts in the tightening sequence
cast on the crankcase.
8. Tighten:
• Crankcase bolts "11"–"40"
Crankcase bolts "11"–"20"
24 Nm (2.4 m·kgf, 17 ft·lbf)
Crankcase bolts "21"–"40"
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
TIP
Tighten the bolts in the tightening sequence
cast on the crankcase.
5-73
CRANKCASE