Torque Values

Part to be tightened

Part name

Thread size

Q'ty

Tightening torque

Remarks

m-kg

ft-lb

ENGINE:

Cylinder head

Nut

M10 P1.25

12

3.2

23.1

Apply oil.

Cylinder head cover

Bolt

M6 P1.0

20

1.0

7.2

Spark plug

-

4

2.0

14.5

Cylinder

Nut

M8 P1.25

2

2.0

14.5

Cam chain case 
Front & Rear

Cam shaft cap

Bolt

M6 P1.0

20

1.0

7.2

Tighten in 3 stages.

Cam sprocket

Bolt

M7 P1.0

4

2.0

14.5

Cam chain tensioner 
adjustment lock nut

Nut

M8 P1.25

1

0.9

6.5

Cam chain tensioner 
end plug

Bolt

M8 P1.25

1

1.5

10.8

Connecting rod

Nut

M7 P0.75

8

2.5

18.1

Generator (rotor)

Bolt

M10 P1.25

1

5.5

39.8

Drain plug

Bolt

M14 P1.5 
M8 P1.25

1 
1

4.3 
1.6

31.0 
11.6

Crankcase drain 
Middle gear case drain

Oil filter

Bolt

M20 P1.5

1

1.5

11.0

Pump cover

Screw

M6 P1.0

0.7

5.1

Strainer cover

Bolt

M6 P1.0

13

0.7

5.1

Crankcase

Flange
bolt

M8 P1.25 
M6 P1.0

12 
27

2.4 
1.2

17.5 
8.7

Clutch boss

Nut

M20 P1.0

1

7.0

50.6

Clutch spring screw

Bolt

M6 P1.0

5

1.0

7.2

Change pedal

Bolt

M6 P1.0

1

0.8

5.8

Neutral switch

-

M10 P1.25

1

2.0

14.5

Exhaust pipe

Nut

M6 P1.0

8

0.75

5.4

Part to be tightened

Part name

Thread size

Q'ty

Tightening 
torque

Remarks

m-kg

ft-lb

SHAFT DRIVE:

Middle gear:

Drive shaft

Nut

M34 P1.5

1

11

80.0

Stake.

Mount cover

Screw

M8 P1.25

4

2.5

18.1

Stake.

Driven shaft

Nut

M14 P1.5

1

12

87.0

Use LOCTITE
Stake.

Bearing cap

Flange bolt

M8 P1.25

4

2.5

18.1

Final gear:

Drive shaft

Nut

M14 P1.5

1

11

80.0

Bearing housing

Flange bolt

M10 P1.25

2

2.3

16.6

Bearing housing

Nut

M8 P1.25

6

2.3

16.6

Oil mount screw

Plug

M14 P1.5

1

2.3

16.6

Oil drain screw

Plug

M14 P1.5

1

2.3

16.6

Bearing retainer

-

M65 P1.5

1

11

80.0

Left hand screw

CHASSIS:

Engine mounting bolt:

Front, upper

Nut

M10 P1.25

1

4.2

30.4

Front, under

Nut

M10 P1.25

2

4.2

30.4

Rear

Nut

M10 P1.25

2

7.0

50.6

Engine mounting stay:

Front

Nut

M8 P1.25

4

2.0

14.5

Handle crown & Steering shaft

Bolt 
Nut

M14 P1.25 
M8 P1.25

1 
1

5.4 
2.0

39.1 
14.5

Handle crown & Inner tube

Nut

M8 P1.25

1

2.0

14.5

Handle crown & Handle holder

Bolt

M8 P1.25

2

2.0

14.5

Front fork:

Under bracket & Inner tube

Bolt

M8 P1.25

4

2.0

14.5

Front wheel shaft

Nut castle

M14 P1.5

1

10.7

77.4

Front wheel axle pinch bolt

Nut salf locking

M8 P1.25

2

2.0

14.5

Pivot shaft

Bolt

M22 P1.5

1

0.55

4.0

Taper roller 
bearing

Rear wheel shaft

Nut castle

M14 P1.5

1

10.7

77.4

Rear shock absorber (Upper)

Nut cap

M10 P1.25

2

3.0

21.7

Rear shock absorber (Lower)

L Nut cap R Bolt

M10 P1.25

2

3.0

21.7

Footrest

Bolt

M10 P1.25

2

4.2

30.4

Tension bar & Brake plate

Bolt

M8 P1.25

1

2.0

14.5

Tension bar & Rear arm

Bolt

M8 P1.25

1

2.0

14.5

Camshaft lever & Camshaft

Bolt

M6 P1.0

1

0.9

6.5

Disc brake section:

Brake disc & Hub (Front)

Bolt

M8 P1.25

12

2.0

14.5

Lock washer

Master cylinder & 
Brake hose (Front)

Bolt union

M10 P1.25

1

2.0

14.5

Brake hose & Joint

Bolt union

M10 P1.25

1

2.6

18.8

Caliper & Brake hose

Bolt union

M10 P1.25

1

2.6

18.8

Caliper & Front fork (Front)

M10 P1.25

1

4.5

32.5

Caliper bleed screw (Front)

M8 PI.25

1

0.6

4.3

DEFINITION OF TERMS:

m-kg

= Meter-kilogram(s) (usually torque)

9

= Gram(s)

kg

= Kilogram(s) (1,000 grams)

lit

= Liter(s)

km/lit

= Kilometer(s) per liter (fuel consumption)

cc

= Cubic centimeter(s) (cm³) (volume or capacity)

kg/mm

= Kilogram(s) per milimeter (usually spring compression rate)

kg/cm²

= Kilogram(s) per square centimeter (pressure)