-21-
Unit: N•m {kgf•cm}
Location
Quantity
Part name Tightening torque
Recoil
starter
Recoil Starter [176]
4
Cover Set Bolt [4]
2.7 to 3.2 {28 to 33}
Electrical
system
Ignition Coil [166]
2
Hex. Socket Hd. Bolt (W/Flange) M4 x 18
[167]
3.0 to 4.0 {31 to 41}
Spark Plug
BPM-7A/BPMR7A [46]
1
Spark Plug BPM-7A/BPMR7A [46]
10 to 15 {102 to 153}
Carburetor
Carburetor Ass’y [52]
1
Screw [53]
1.8 to 2.2 {18 to 23}
1
Hinge Pin Set Screw [64]
0.7 to 0.8 {7 to 9}
4
Set Screw [67]
0.7 to 0.8 {7 to 9}
Carburetor Ass’y [52]
Carburetor Insulator (C51)
[50]
2
Hex. Socket Hd. Bolt M5 x 45 [70]
2.2 to 2.8 {23 to 29}
Cleaner Support (C51) [71]
1
Hex. Socket Hd. Bolt M5 x 12 (Precote) [38]
2.2 to 2.8 {23 to 29}
Rear
handle
Antivibration Spring [157]
1
each
Flanged Tapping Screw D6 [156]
3.5 to 4.5 {35 to 45}
Antivibration Spring [14]
1
Hex. Socket Hd. Bolt (W/Flange) M6 x 20
[13]
6.0 to 9.0 {61 to 92}
Spring Holders [155][12]
1
each
Nut M6 [10]
5.0 to 6.0 {51 to 61}
Front Handle [22]
2
Tapping Screw (W/Flange) D5 x 25 (Black)
[21]
2.4 to 3.4 {25 to 35}
2
Tapping Screw (W/Flange) D5 x 20 (Black)
[23]
2.4 to 3.4 {25 to 35}
Rear Handle [146]
2
Damper Set Bolt [15]
2.4 to 3.4 {25 to 35}
Rear Handle Grip [142]
1
Tapping Screw (W/Flange) D4 x 16 (Black)
[141]
1.5 to 2.5 {15 to 25}
Clutch,
oil pump
Clutch [131]
1
Clutch [131]
35 to 40 {357 to 408}
Oil Pump Cover (C51)
[137]
3
Seal Lock Screw M4 x 10 [16]
1.4 to 2.2 {14 to 22}
Guide Plate (A) [123]
1
Oil Pump [30]
1
Machine Screw M4 x 16 [28]
1.4 to 2.2 {14 to 22}
Magneto
rotor
Magneto Rotor [169]
1
Flange Nut M8 [112]
20 to 22 {204 to 224}
Starter Pawl [172]
1
each
Step Bolt [174]
5.9 to 6.9 {60 to 70}
Engine
Cylinder [73]
4
Seal Lock Hex. Socket Hd. Bolt M6 x 20 [37]
9.0 to 10.0 {91 to 101}
Scavenging Cover (A) [74]
Scavenging Cover (B) [17]
4
each
Seal Lock Screw M4 x 10 [16]
3.0 to 4.0 {31 to 41}
Intake (CS51) [48]
2
Hex. Socket Hd. Bolt M5 x 12 (Precote) [38]
3.0 to 4.0 {31 to 41}
Decomp. [45]
1
Decomp. [45]
17 to 27 {175 to 275}
Muffler (C51) [39]
2
Seal Lock Hex. Socket Hd. Bolt M6 x 20 [37]
11.3 to 12.3 {115 to 125}
2
Hex. Socket Hd. Bolt M5 x 12 (Precote) [38]
5.4 to 6.4 {55 to 65}
Muffler Protector [26]
3
Hex. Socket Hd. Bolt M4 x 10 [24]
3.5 to 4.5 {35 to 45}
Exhaust Pipe (C51) [19]
2
Engine Case (A) Ass’y [87]
Engine Case (B) Ass’y [80]
2
Seal Lock Hex. Socket Hd. Bolt M5 x 45 [35]
5.0 to 6.0 {51 to 61}
4
Seal Lock Hex. Socket Hd. Bolt M5 [32]
Side case
Brake Link Cover [130]
4
Seal Lock Screw M4 x 10 [16]
1.4 to 2.2 {14 to 22}
Guide Plate (B) [116]
2
Other
Cylinder Cover (C51) [5]
3
Cover Set Bolt [4]
2.7 to 3.2 {28 to 33}
Brake Handle [89]
2
Machine Screw M4 x 16 [28]
1.8 to 2.2 {18 to 22}
Chain Catcher [125]
1
Seal Lock Screw M5 x 12 [33]
3.0 to 4.0 {31 to 41}
Spike [34]
2
Chain Bar [117]
2
Flange Nut M8 [112]
15 to 20 {154 to 204}
Ti