Yamaha YFZ450S 2003 Service Manual page 40

Part to be tightened
Cylinder head water jacket
Water pump housing cover
Coolant reservoir
Clutch cover
Clutch spring
Clutch boss
Push lever shaft plate
Clutch cable holder
Crankcase cover
Parking brake cable holder and
crankcase cover
Left crankcase
Oil strainer
Crankcase bearing retainer
Primary drive gear
Balancer driven gear
Drive sprocket
Drive axle oil seal retainer
Torque limiter cover
A.C. magneto cover
A.C. magneto rotor
Stator coil
A.C. magneto lead holder
Pickup coil
Starter clutch
Shift drum segment
Shift guide
Stopper lever
Shift pedal
Throttle cable cover (carburetor)
Carburetor joint clamp screw (carbu-
retor side)
Carburetor joint clamp screw (cylin-
der head side)
Carburetor clamp screw (air intake
duct side)
Neutral switch
Thermo switch 1
TIGHTENING TORQUES
Thread
Part name Q'ty
size
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Nut M20
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Bolt M6 11
Bolt M6
Screw M6
Screw M6
Bolt M6
Nut M20
Nut M14
Nut M20
Bolt M6
Bolt M6
Bolt M6
Nut M12
Bolt M5
Bolt M5
Bolt M6
Bolt M6
Bolt M8
Bolt M6
Bolt M6
Bolt M6
Bolt M5
Screw M5
Screw M4
Screw M6
— M10
— M18
2 - 17
SPEC
Tightening torque
Nm m · kg ft · lb
1 10 1.0 7.2
4 10 1.0 7.2
2 7 0.7 5.1
7 10 1.0 7.2
6 8 0.8 8
1 75 7.5 54
1 10 1.0 7.2
1 10 1.0 7.2
8 10 1.0 7.2
2 10 1.0 7.2
12 1.2 8.7
2 10 1.0 7.2
3 12 1.2 8.7
4 12 1.2 8.7
7 10 1.0 7.2
1 75 7.5 54
1 50 5.0 36
1 75 7.5 54
2 10 1.0 7.2
2 10 1.0 7.2
9 10 1.0 7.2
1 65 6.5 47
2 7 0.7 5.1
2 7 0.7 5.1
2 10 1.0 7.2
6 16 1.6 11
1 30 3.0 22
2 10 1.0 7.2
1 10 1.0 7.2
1 12 1.2 8.7
2 4 0.4 2.9
1 3 0.4 2.9
1 3 0.3 2.2
1 3 0.3 2.2
1 20 2.0 14
1 28 2.8 20
Remarks
Use a lock
washer.
LT
LT
Use a lock
washer.
Use a lock
washer.
Use a lock
washer.
LT
LT
LT
LT