Yamaha YFM45FAR Service Manual page 42

Tightening torques
Part to be tightened
Cylinder head oil passage
Cylinder head (exhaust pipe)
Cylinder head
Camshaft sprocket cover baffle
plate
Camshaft bearing retainer
Spark plug
Coolant drain bolt (cylinder)
Starter clutch
Camshaft sprocket
Timing chain tensioner cap
Timing chain tensioner
Timing chain guide (intake)
Valve adjusting screw
Radiator
Oil pump assembly
Oil pump
Oil strainer cover
Oil drain bolt
Oil pump drive gear
Oil delivery pipe
Oil filter bolt
Oil filter cartridge
Intake manifold
Muffler and exhaust pipe
Exhaust pipe
Muffler
Exhaust pipe stay
Crankcase cover
Oil seal retainer
Drive belt case cover
Crankcase oil passage plug
Bearing retainer (right crankcase)
Plug (right crankcase)
Bearing retainer (left crankcase)
Crankcase cover (left)
Recoil starter
Starter one-way clutch
Clutch carrier assembly
Middle drive shaft bearing retainer
MAINTENANCE SPECIFICATIONS
Part Thread
name size
M6
Union bolt
M8
Stud bolt
Bolt M10
Bolt M6
Bolt M6
Bolt M6
— M12
Bolt M6
Bolt M10
Bolt M10
Bolt M11
Bolt M6
Bolt M6
Nut M7
Bolt M6
Screw M6
Screw M6
Plug M35
Bolt M14
Nut M14
M8
Union bolt
M20
Union bolt
— M20
Bolt M8
Bolt M8
Nut M8
Bolt M10
Bolt M6
Screw M6
Screw M5
Bolt M6
Plug M18
Screw M6
Bolt M8
Bolt M6
Bolt M6
Bolt M6
Bolt M8
Nut M22
Torx M8
screw
2 - 12
Tightening torque
Q'ty
Nm m·kg
1 7 0.7
2 15 1.5
4 40 4.0
2 10 1.0
2 10 1.0
2 8 0.8
1 18 1.8
1 10 1.0
1 50 5.0
1 60 6.0
1 23 2.3
2 11 1.1
2 10 1.0
2 20 2.0
2 7 0.7
3 8 0.8
1 7 0.7
1 32 3.2
1 23 2.3
1 50 5.0
2 18 1.8
1 63 6.3
1 17 1.7
2 20 2.0
2 15 1.5
2 20 2.0
2 25 2.5
2 14 1.4
4 8 0.8
3 7 0.7
12 10 1.0
1 55 5.5
1 11 1.1
1 15 1.5
2 10 1.0
12 10 1.0
4 10 1.0
6 30 3.0
1 140 14
4 25 2.5
SPEC
Remarks
ft·lb
5.1
11
29
7.2
7.2
LT
5.8
13
7.2
36
43
17
8.0
7.2
LT
14
5.1
5.8
5.1
23
17
36
13
45
E
12
14
11
14
18
10
5.8
LT
5.1
7.2
40
8.0
LT
11
7.2
LT
7.2
7.2
LT
22
LT
100 Stake
18
LT