SPEC
2-6
MAINTENANCE SPECIFICATION
2.0
1.4
1.0
0.7
0.2
0.7
0.4
1.1
0.9
0.2
0.9
2.6
1.1
0.9
1.2
1.2
1.2
0.7
0.7
1.8
0.3
0.8
0.9
1.3
4.0
3.0
0.8
3.8
TIGHTENING TORQUES
ENGINE
Tightening
torque
Thread
size
Part name
Q’ty
Remarks
Part to be tightened
Spark plug
Cylinder head and cylinder
Cylinder
Air shroud 1
Air shroud 1
×
2
Fan
Autolube pump
Reed valve
Air filter
Carburetor cap
Exhaust pipe
Muffler
Exhaust protector
Protector
Crankcase 1
×
2
Transmission case cover
Crankcase cover 1(left)
Bolt(case2)
Crankcase cover2(left)
Drain bolt
Oil plug
Idle gear plate
Kick crank
Starter motor
Clutch housing
Clutch weight
Magnet base
C.D.I. rotor
—
Nut
Stud bolt
Screw
Screw
Screw
Screw
Bolt
Screw
Screw
Screw
Bolt
Bolt
Screw
Bolt
Bolt
Bolt
Screw
Bolt
Bolt
Plug
Screw
Bolt
Bolt
Nut
Nut
Screw
Nut
M 14
M 7
M 7
M 6
6.0
M 6
M 5
M 6
M 6
M 4
M 6
M 8
M 6
M 6
M 6
M 6
M 6
M 6
M 6
M 8
M 14
M 6
M 6
M 6
M 10
M 10
M 6
M 10
1
4
4
3
1
3
2
4
2
2
2
2
3
1
6
6
12
1
3
1
1
2
1
2
1
1
2
1
20
14
10
7
2
7
4
11
9
2
9
26
11
9
12
12
12
7
7
18
3
8
9
13
40
30
8
38
LT
LT
14
10
7
5.1
1.4
5.1
2.8
8.0
6.5
1.4
6.5
18.2
8.0
6.5
8.4
8.4
8.4
5.1
5.1
13
22
5.8
6.5
9.4
29
22
5.8
27
Nm m•kg ft•lb
Summary of Contents for YW50AP
Page 1: ...YW50AP 5PJ F8197 10 LIT 11616 15 39 ...
Page 214: ...YAMAHA MOTOR TAIWAN CO LTD ...