1. General information
USE AND MAINTENANCE MANUAL
CHAPTER 1
GENERAL INFORMATION
4-Strokes - Edition 00 / 2022
37
1
Tip : Cylinder head bolt (XXF 250 version)
– Tighten all the cylinder head tightening bolts evenly in the tightening order to
30 Nm (3.0 kgf•m, 22 lb•ft)
.
– Remove the one bolt according to the tightening order. When doing so, do not remove the other bolts.
– Retighten the bolt to 15 Nm
(1.5 kgf•m, 11 lb•ft)
, and then tighten it further to reach the specified angle (60°).
– Remove the remaining bolts one by one in the same manner and retighten them.
– Finally, tighten all the bolts to reach the specified angle (60°).
Total tightening angle: 60° + 60° = 120°.
The first and second time, be sure to apply molybdenum disulfide oil to the bolt threads and seats as well as to both
sides of the lock washers.
3
2
4
1
FWD
Chassis tightening torques (XXF 250 version)
“
◊
” = marked portion shall be checked for torque tightening after break-in or before each race.
Item
Thread size
Quantity
Tightening torque
Remarks
Upper bracket pinch bolt
◊
M8
4
21 N·m (2.1 kgf·m, 15 lb·ft)
Lower bracket pinch bolt
◊
M8
4
21 N·m (2.1 kgf·m, 15 lb·ft)
Steering stem nut
◊
M24
1
145 N·m (14.5 kgf·m, 107 lb·ft)
Upper handlebar holder bolt
◊
M8
4
28 N·m (2.8 kgf·m, 21 lb·ft)
Lower handlebar holder nut
◊
M10
2
40 N·m (4.0 kgf·m, 30 lb·ft)
Engine stop switch screw
M3
1
0.5 N·m (0.05 kgf·m, 0.37 lb·ft)
Start switch
M3
1
0.5 N·m (0.05 kgf·m, 0.37 lb·ft)
Mode switch
M3
1
1.3 N·m (0.13 kgf·m, 0.95 lb·ft)
Lower ring nut
◊
M28
1
Vedere nota a pagina 39.
Damper assembly (front fork)
M51
2
30 N·m (3.0 kgf·m, 22 lb·ft)
Inner tube and adjuster
M22
2
55 N·m (5.5 kgf·m, 41 lb·ft)
Base valve (front fork)
M42
2
28 N·m (2.8 kgf·m, 21 lb·ft)
Adjuster (damper assembly)
M12
2
29 N·m (2.9 kgf·m, 21 lb·ft)
Bleed screw (front fork)
M5
2
1.3 N·m (0.13 kgf·m, 0.95 lb·ft)
Front fork protector bolt
◊
M6
6
5 N·m (0.5 kgf·m, 3.7 lb·ft)
Brake hose holder bolt
◊
M6
2
9 N·m (0.9 kgf·m, 6.6 lb·ft)
Throttle grip cap screw
M5
2
3.8 N·m (0.38 kgf·m, 2.8 lb·ft)
Clutch lever holder bolt
M6
2
5 N·m (0.5 kgf·m, 3.7 lb·ft)
Clutch lever nut
M6
1
4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
Clutch lever position locknut
M5
1
4.8 N·m (0.48 kgf·m, 3.5 lb·ft)
Front brake master cylinder holder bolt
◊
M6
2
9 N·m (0.9 kgf·m, 6.6 lb·ft)
Front brake master cylinder reservoir cap
screw
M4
2
1.5 N·m (0.15 kgf·m, 1.1 lb·ft)
Front brake lever pivot bolt
M6
1
6 N·m (0.6 kgf·m, 4.4 lb·ft)
