Yamaha YZ450F(V) Owner's Service Manual page 82

Part to be tightened
Spark plug
Camshaft cap
Cylinder head blind plug screw
Cylinder head (stud bolt)
(bolt)
(bolt)
Cylinder head cover
Cylinder
Timing chain tensioner
Tensioner cap bolt
Timing chain guide (rear)
Exhaust pipe (nut)
(bolt)
Silencer
Silencer clamp
Exhaust pipe protector
Carburetor joint
Carburetor joint clamp
Air filter case
Air filter joint clamp
Air filter joint and air filter case
Throttle cable adjust bolt and locknut
Throttle cable (pull)
Throttle cable (return)
Throttle cable cover
Hot starter plunger
Hot starter cable adjust bolt and locknut
Air filter element
Radiator panel (upper)
Radiator
Radiator hose clamp
Radiator pipe 1, 2
Impeller
Water pump housing cover
Coolant drain bolt
Oil pump cover
Oil pump
Engine oil drain bolt (oil filter)
Oil filter cover
Oil check bolt (cylinder head)
Oil hose clamp
Clutch cover
MAINTENANCE SPECIFICATIONS
Thread size
2 - 11
Q'ty
M10S × 1.0
1
M6 × 1.0
10
M12 × 1.0
1
M8 × 1.25
1
M10 × 1.25
4
M6 × 1.0
2
M6 × 1.0
2
M6 × 1.0
1
M6 × 1.0
2
M6 × 1.0
1
M6 × 1.0
2
M8 × 1.25
1
M8 × 1.25
1
M8 × 1.25
2
M8 × 1.25
1
M6 × 1.0
3
M6 × 1.0
3
M4 × 0.7
1
M6 × 1.0
2
M6 × 1.0
1
M5 × 0.8
1
M6 × 0.75
1
M6 × 1.0
1
M12 × 1.0
1
M5 × 0.8
2
M12 × 1.0
1
M6 × 0.75
1
M6 × 1.0
1
M6 × 1.0
2
M6 × 1.0
4
M6 × 1.0
8
M6 × 1.0
2
M8 × 1.25
1
M6 × 1.0
3
M6 × 1.0
1
M4 × 0.7
1
M6 × 1.0
2
M6 × 1.0
1
M6 × 1.0
2
M6 × 1.0
1
— 2
M6 × 1.0
7
SPEC
Tightening torque
Nm m·kg ft·lb
13 1.3 9.4
10 1.0 7.2
28 2.8 20
15 1.5 11
1
Refer to NOTE.*
10 1.0 7.2
10 1.0 7.2
10 1.0 7.2
10 1.0 7.2
7 0.7 5.1
10 1.0 7.2
13 1.3 9.4
24 2.4 17
35 3.5 25
16 1.6 11
10 1.0 7.2
10 1.0 7.2
3 0.3 2.2
8 0.8 5.8
3 0.3 2.2
4 0.4 2.9
4 0.4 2.9
4 0.4 2.9
11 1.1 8.0
4 0.4 2.9
2 0.2 1.4
4 0.4 2.9
2 0.2 1.4
10 1.0 7.2
10 1.0 7.2
2 0.2 1.4
10 1.0 7.2
14 1.4 10
10 1.0 7.2
10 1.0 7.2
2 0.2 1.4
10 1.0 7.2
10 1.0 7.2
10 1.0 7.2
10 1.0 7.2
2 0.2 1.4
10 1.0 7.2