TIGHTENING TORQUES

 

SPEC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EBS01005

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TIGHTENING TORQUES

 

 

 

 

 

 

 

 

 

 

 

ENGINE TIGHTENING TORQUES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Part to be tightened

Part name

Thread

Q’ty

Tightening torque

Remarks

size

Nm

m · kg

 

ft · lb

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cover head cylinder

Bolt

M6

4

12

1.2

8.7

 

 

 

 

Cap camshaft

Nut

M8

4

15

1.5

11

 

 

 

 

Spark plug

M10

1

11

1.1

8.0

 

 

 

 

Cylinder head (Carb. joint)

Stud bolt

M5

2

2

0.2

1.4

 

 

 

 

Cylinder head (exhaust pipe)

Stud bolt

M6

2

9

0.9

6.5

 

 

 

 

Valve adjuster

Nut

M5

2

9

0.9

6.5

 

 

 

 

Cylinder head(timing chain side)

Bolt

M6

2

12

1.2

8.7

 

 

 

 

Timing chain tensioner(body)

Bolt

M6

2

12

1.2

8.7

 

 

 

 

Timing chain tensioner(plug)

Bolt

M6

1

6

0.6

4.3

 

 

 

 

Duct inlet and cover crankcase 2

Bolt

M6

2

12

1.2

8.7

 

 

 

 

Duct inlet and air shroud 1 and 2

Screw

M5

2

2

0.2

1.4

 

 

 

 

Air shroud 1 crankcase 1

Bolt

M6

1

12

1.2

8.7

 

 

 

 

Air shroud 1 and 2

Bolt

M6

1

2

0.2

1.4

 

 

 

 

Air shroud 2 and Cover 1

Screw

M3

2

1

0.1

0.7

 

 

 

 

Cylinder

Bolt

M6

1

12

1.2

8.7

 

 

 

 

Cylinder stud bolt 1

Stud bolt

M7

2

9

0.9

6.5

 

 

 

 

Cylinder stud bolt 2

Stud bolt

M7

2

9

0.9

6.5

 

 

 

 

Cover crankcase 1

Bolt

M6

8

12

1.2

8.7

 

 

 

 

Sheave primary fixed

Nut

M12

1

55

5.5

40

 

 

 

 

Clutch housing

Nut

M10

1

40

4.0

30

 

 

 

 

Starter motor

Bolt

M6

2

12

1.2

8.7

 

 

 

 

Fan

Bolt

M6

4

12

1.2

8.7

 

 

 

 

C.D.I. magneto rotor

Nut

M12

1

55

5.5

40

 

 

 

 

Stator assy

Bolt

M6

2

12

1.2

8.7

 

 

 

 

Pulse

Bolt

M5

2

5

0.5

3.6

 

 

 

 

Crankcase cover 2

Bolt

M6

8

12

1.2

8.7

 

 

 

 

Oil pump driven gear

Nut

M6

1

12

1.2

8.7

 

 

 

 

Oil pump

Bolt

M6

3

12

1.2

8.7

 

 

 

 

Drive sprocket

Bolt

M6

2

10

1.0

7.2

 

 

 

 

Gear oil drain bolt

Bolt

M8

1

15

1.5

11

 

 

 

 

Cover plate

Bolt

M6

6

12

1.2

8.7

 

 

 

 

Primary drive gear shaft bearing

Bolt

M6

1

12

1.2

8.7

 

 

 

LT

retainer

 

 

 

 

 

 

 

 

 

 

 

Engine oil drain bolt

Bolt

M30

1

8

0.8

5.8

 

 

 

 

Crankcase 1 and 2

Bolt

M6

1

12

1.2

8.7

 

 

 

 

Air filter holder

Bolt

M6

2

12

1.2

8.7

 

 

 

 

Timing chain guide

Bolt

M6

1

10

1.0

7.2

 

 

 

 

Air filter

Bolt

M6

2

12

1.2

8.7

 

 

 

 

Carburetor overflow drain plug

Screw

M6

1

1

0.1

0.7

 

 

 

 

Carburetor joint

Nut

M6

2

12

1.2

8.7

 

 

 

 

Exhaust pipe

Nut

M6

2

13

1.3

9.4

 

 

 

 

Muffler

Bolt

M8

1

25

2.5

18

 

 

 

 

Spark arrester tailpipe

Screw

M5

1

5

0.5

3.6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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