Yamaha XF50W - Tightening Torques; Engine

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