Tightening Torques; Engine - Yamaha XF50W Service Manual

TIGHTENING TORQUES

ENGINE

Part to be tightened Part to be tightened
Exhaust pipe stud bolt
Oil check bolt
Cylinder head cover
Cylinder head and cylinder
Cylinder head(timing chain side)
Spark plug
Camshaft sprocket
Timing chain tensioner(body)
Guide stopper2
Timing chain tensioner(plug)
Water pump assembly
Thermostat cover air bleed bolt
Thermostat cover
Fan case
Fan
Radiator drain bolt
Radiator cover
Oil pump assembly
Engine oil drain plug
Intake manifold
Air filter assembly
Injector
Intake manifold side band
Air filter assembly side band
Protector
Exhaust pipe
Stay fender
Muffler
Reed valve and holder
AI filter case
Oil guide
Crankcase(left and right)
Cylinder stud bolt
Drain bolt(transmission oil fill bolt)
V-belt case cover
Drain bolt(transmission oil)
Transmission case
Transmission case
Cover1(starter clutch)
Hold lead plate bolt
TIGHTENING TORQUES
Thread Thread
Q Q
Part name Part name
size size
- M8
- M6
Bolt M6
Nut M6
Bolt M6
- M10
Bolt M8
Bolt M6
Bolt M6
plug M8
Bolt M6
- M6
Bolt M6
Bolt M6
Bolt M6
- M10
Screw 6
Screw M5
- M35
Bolt M6
Bolt M6
Bolt M6
Band M4
Band M4
Screw M6
Nut M8
Bolt M8
Bolt M8
Bolt M6
Bolt M6
Nut M6
Bolt M6
- M6
- M8
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Bolt M6
- M6
2-19
SPEC
Tightening
' '
ty ty
torque
Nm
m»kg ft»lb
2 13 1.3 9.4
1 7 0.7 5.1
4 10 1.0 7.2
4 10 1.0 7.2
2 10 1.0 7.2
1 13 1.3 9.4
1 30 3.0 21.7
2 9 0.9 6.5
1 7 0.7 5.1
1 8 0.8 5.8
3 10 1.0 7.2
1 10 1.0 7.2
2 10 1.0 7.2
4 10 1.0 7.2
3 9 0.9 6.5
1 1 0.1 0.7
3 2 0.2 1.5
2 4 0.4 2.9
1 32 3.2 23.1
2 10 1.0 7.2
2 10 1.0 7.2
1 12 1.2 8.7
1 3 0.3 2.2
1 3 0.3 2.2
2 9 0.9 6.5
2 13 1.3 9.4
2 10 1.0 7.2
2 31 3.1 22.4
1 14 1.4 10.1
1 7 0.7 5.1
2 10 1.0 7.2
8 10 1.0 7.2
4 13 1.3 9.4
1 23 2.3 16.6
6 10 1.0 7.2
1 13 1.3 9.4
6 11 1.1 8.0
2 10 1.0 7.2
7 10 1.0 7.2
1 10 1.0 7.2
Remarks Remarks
—4\\4jl
When fastened, apply
screw retaining com-
pound.