Yamaha YFM660FP Service Manual page 49

Part to be tightened
Primary sheave assembly
Secondary sheave assembly
Secondary sheave spring retainer
Clutch carrier assembly
Balancer driven gear
Middle driven shaft bearing retainer
Middle driven shaft drive pinion
gear
Middle drive shaft bearing housing
Middle driven gear bearing retainer
Coupling (middle driven gear)
Yoke (middle driven gear)
Middle driven gear bearing housing
Middle driven shaft bearing retainer
Sift arm
Shift rod
Shift lever
Shift control cable
Select lever unit
Gear position switch
Reverse switch
Stator assembly
Pickup coil
Ignition coil
Thermo switch (cylinder head)
Speed sensor
Thermo switch (radiator)
MAINTENANCE SPECIFICATIONS
Part Thread
name size
Nut M16
Nut M16
Nut M36
Nut M22
Nut M18
Screw M8
Nut M22
Bolt M8
Nut M60
Nut M14
Nut M14
Bolt M8
Nut M55
Bolt M6
Nut M8
Bolt M6
— M12
Bolt M8
Bolt M6
— M10
Screw M6
Bolt M5
Bolt M6
— M1/8
Bolt M6
— M18
2 - 13
SPEC
Tightening torque
Q'ty
Nm m·kg ft·lb
1 120 12.0 85
1 100 10.0 72
1 90 9.0 65
1 160 16.0 115
1 110 11.0 80
4 29 2.9 21
1 145 14.5 105
4 32 3.2 23
1 110 11.0 80
1 97 9.7 70
1 97 9.7 70
4 25 2.5 18
1 80 8.0 58
1 14 1.4 10
2 15 1.5 11
1 14 1.4 10
1 6 0.6 4.3
3 15 1.5 11
2 7 0.7 5.1
1 20 2.0 14
3 7 0.7 5.1
2 7 0.7 5.1
2 7 0.7 5.1
1 8 0.8 5.8
1 10 1.0 7.2
1 28 2.8 20
Remarks
LT
LT
Left-hand-
threads
LT
LT
LS