MAINTENANCE SPECIFICATIONS

SPEC

Part to be tightened

 

Thread size

Q’ty

Tightening torque

 

 

 

 

 

Nm

m·kg

ft·lb

 

 

 

 

 

 

 

 

 

 

 

 

 

Nipple (spoke)

 

 

72

3

0.3

2.2

Rear wheel sprocket

 

M8 1.25

6

50

5.0

36

Rear brake disc cover

 

M6

1.0

2

7

0.7

5.1

Rear brake caliper protector

 

M6

1.0

2

7

0.7

5.1

Drive chain puller adjust bolt and locknut

 

M8 1.25

2

16

1.6

11

Engine mounting:

 

 

 

 

 

 

 

Engine and engine bracket (front)

 

M10

1.25

1

69

6.9

50

Engine and frame (lower)

 

M10

1.25

1

69

6.9

50

Engine bracket and frame

 

M8 1.25

6

34

3.4

24

Engine and engine bracket (upper)

 

M10

1.25

1

55

5.5

40

Lower engine guard

 

M6

1.0

3

10

1.0

7.2

Left engine guard

 

M8 1.25

2

23

2.3

17

Right engine guard

 

M8 1.25

2

23

2.3

17

Regulator bracket and frame

 

M6

1.0

2

7

0.7

5.1

Regulator

 

M6

1.0

2

7

0.7

5.1

Pivot shaft and nut

 

M16 1.5

1

85

8.5

61

Relay arm and swingarm

 

M14 1.5

1

80

8.0

58

Relay arm and connecting rod

 

M14 1.5

1

80

8.0

58

Connecting rod and frame

 

M14 1.5

1

80

8.0

58

Rear shock absorber and frame

 

M10

1.25

1

56

5.6

40

Rear shock absorber and relay arm

 

M10

1.25

1

53

5.3

38

Rear frame (upper)

 

M8 1.25

1

32

3.2

23

Rear frame (lower)

 

M8 1.25

2

29

2.9

21

Swingarm and brake hose holder

 

M5

0.8

4

1

0.1

0.7

Swingarm and patch

 

M4

0.7

4

2

0.2

1.4

Upper drive chain tensioner

 

M8 1.25

1

19

1.9

13

Lower drive chain tensioner

 

M8 1.25

1

20

2.0

14

Drive chain support

 

M6

1.0

3

7

0.7

5.1

Seal guard and swingarm

 

M5

0.8

4

6

0.6

4.3

Fuel tank

 

M6

1.0

2

10

1.0

7.2

Fuel cock

 

M6

1.0

2

7

0.7

5.1

Seat set bracket and fuel tank

 

M6

1.0

1

7

0.7

5.1

Hooking screw (fitting band) and fuel tank

 

M6

1.0

1

7

0.7

5.1

Air scoop and fuel tank

 

M6

1.0

6

4

0.4

2.9

Air scoop and radiator guard (lower)

 

M6

1.0

2

4

0.4

2.9

Front fender

 

M6

1.0

4

7

0.7

5.1

Rear fender (front)

 

M6

1.0

2

7

0.7

5.1

Rear fender (rear)

 

M6

1.0

2

10

1.0

7.2

Side cover

 

M6

1.0

2

7

0.7

5.1

Seat

 

M8 1.25

2

23

2.3

17

Trip meter

 

M6

1.0

2

7

0.7

5.1

Meter cable holder and front fork protector

 

M5

0.8

2

4

0.4

2.9

Headlight stay (lower) and lower bracket

 

M8 1.25

2

7

0.7

5.1

Headlight body and headlight unit

 

M6

1.0

2

7

0.7

5.1

 

 

 

 

 

 

 

 

 

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Page 52
Image 52
Yamaha WR250FM service manual Nipple spoke Rear wheel sprocket