2 - 13
SPEC
MAINTENANCE SPECIFICATIONS
Primary sheave assembly
Nut
M16
1
120
12.0
85
Secondary sheave assembly
Nut
M16
1
100
10.0
72
Secondary sheave spring retainer
Nut
M36
1
90
9.0
65
Clutch carrier assembly
Nut
M22
1
160
16.0
115
Balancer driven gear
Nut
M18
1
110
11.0
80
Middle driven shaft bearing retainer
Screw
M8
4
29
2.9
21
Middle driven shaft drive pinion
gear
Nut
M22
1
145
14.5
105
Middle drive shaft bearing housing
Bolt
M8
4
32
3.2
23
Middle driven gear bearing retainer
Nut
M60
1
110
11.0
80
LT
Coupling (middle driven gear)
Nut
M14
1
97
9.7
70
Yoke (middle driven gear)
Nut
M14
1
97
9.7
70
Middle driven gear bearing housing
Bolt
M8
4
25
2.5
18
Middle driven shaft bearing retainer
Nut
M55
1
80
8.0
58
LT
Left-hand-
threads
Sift arm
Bolt
M6
1
14
1.4
10
Shift rod
Nut
M8
2
15
1.5
11
Shift lever
Bolt
M6
1
14
1.4
10
Shift control cable
—
M12
1
6
0.6
4.3
Select lever unit
Bolt
M8
3
15
1.5
11
Gear position switch
Bolt
M6
2
7
0.7
5.1
Reverse switch
—
M10
1
20
2.0
14
Stator assembly
Screw
M6
3
7
0.7
5.1
LT
Pickup coil
Bolt
M5
2
7
0.7
5.1
LT
Ignition coil
Bolt
M6
2
7
0.7
5.1
Thermo switch (cylinder head)
—
M1/8
1
8
0.8
5.8
Speed sensor
Bolt
M6
1
10
1.0
7.2
LS
Thermo switch (radiator)
—
M18
1
28
2.8
20
Part to be tightened
Part
name
Thread
size
Q’ty
Tightening torque
Remarks
Nm
m·kg
ft·lb
Summary of Contents for YFM660FS
Page 1: ...LIT 11616 17 14 5KM 28197 E2 YFM660FS SUPPLEMENTARY SERVICE MANUAL ...
Page 17: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A ...
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Page 72: ...YFM660FP SERVICEMANUAL LIT 11616 15 01 5KM 28197 E0 ...
Page 117: ...2 11 SPEC MAINTENANCE SPECIFICATIONS Item Standard Cylinder head tightening sequence ...
Page 417: ...9 3 ELEC CHECKING THE SWITCH ...
Page 478: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN PRINTED IN U S A ...