Yamaha YZ250F(X) Owner's Service Manual page 33

Part to be tightened
△
Rear brake disc cover
△
Rear brake caliper protector
Drive chain puller adjust bolt and locknut
Engine mounting:
△
Engine and engine bracket (front)
△
Engine and frame (lower)
△
Upper engine bracket and frame
△
Lower engine bracket and frame
△
Engine and engine bracket (upper)
Lower engine guard
△
Right engine guard
CDI unit bracket
Cable guide and CDI unit bracket
Cable guide and frame
△
Pivot shaft and nut
△
Relay arm and swingarm
△
Relay arm and connecting rod
△
Connecting rod and frame
△
Rear shock absorber and frame
△
Rear shock absorber and relay arm
△
Rear frame (upper)
△
Rear frame (lower)
△
Swingarm and brake hose holder
Swingarm and patch
Upper drive chain tensioner
Lower drive chain tensioner
Drive chain support
△
Seal guard and swingarm
△
Fuel tank mounting boss and frame
△
Fuel tank
△
Fuel cock
Seat set bracket and fuel tank
Fuel tank bracket and fuel tank
△
Air scoop and fuel tank
△
Air scoop and radiator guard (lower)
△
Front fender
△
Rear fender (front)
△
Rear fender (rear)
△
Side cover
Seat
△
Number plate
TIGHTENING TORQUES
Thread size Q'ty
M6 × 1.0
M6 × 1.0
M8 × 1.25
M10 × 1.25
M10 × 1.25
M8 × 1.25
M8 × 1.25
M10 × 1.25
M6 × 1.0
M6 × 1.0
M6 × 1.0
M5 × 0.8
M5 × 0.8
M16 × 1.5
M14 × 1.5
M14 × 1.5
M14 × 1.5
M10 × 1.25
M10 × 1.25
M8 × 1.25
M8 × 1.25
M5 × 0.8
M4 × 0.7
M8 × 1.25
M8 × 1.25
M6 × 1.0
M5 × 0.8
M10 × 1.25
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M8 × 1.25
M6 × 1.0
2-13
Tightening torque
Nm m•kg
2 10 1.0
2 7 0.7
2 19 1.9
1 53 5.3
1 53 5.3
4 34 3.4
4 38 3.8
1 55 5.5
3 10 1.0
1 10 1.0
2 7 0.7
2 4 0.4
1 5 0.5
1 85 8.5
1 70 7.0
1 80 8.0
1 80 8.0
1 56 5.6
1 53 5.3
1 38 3.8
2 32 3.2
4 2 0.2
4 2 0.2
1 16 1.6
1 16 1.6
3 7 0.7
4 6 0.6
1 20 2.0
2 9 0.9
2 4 0.4
1 7 0.7
4 7 0.7
6 7 0.7
2 7 0.7
4 7 0.7
2 7 0.7
2 16 1.6
2 7 0.7
2 23 2.3
1 7 0.7
ft•lb
7.2
5.1
12
38
38
25
27
40
7.2
7.2
5.1
2.9
3.6
61
50
58
58
40
38
27
23
1.4
1.4
11
11
5.1
4.3
14
6.5
2.9
5.1
5.1
5.1
5.1
5.1
5.1
11
5.1
17
5.1