
13 Motore
1. General information
USE AND MAINTENANCE MANUAL
CHAPTER 1
GENERAL INFORMATION
4-Strokes - Edition 00 / 2022
42
Tip : Cylinder head bolt (XXF 450 version)
– First, tighten the cylinder head bolts to
40 N·m (4.0 kgf·m, 30 lb·ft)
in the proper tightening sequence and remove them.
– Retighten the cylinder head bolts to
23 N·m (2.3 kgf·m, 17 lb·ft)
in the proper tightening sequence.
– Tighten all bolts to reach the specified angle (90°) in a diagonal sequence.
– Then tighten the cylinder head bolts further to reach the specified angle (60°) in the proper tightening sequence.
The first and second time, be sure to apply molybdenum disulfide grease to the bolt threads and seats as well as to
both sides of the washers.
3
2
4
1
FWD
Chassis tightening torques (XXF 450 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)
Lower ring nut
M3
1
0.5 N·m (0.05 kgf·m, 0.37 lb·ft)
Damper assembly (front fork)
M3
1
1.3 N·m (0.13 kgf·m, 0.95 lb·ft)
Inner tube and Adjuster
◊
M28
1
Vedere nota a pagina 44.
Base valve (front fork)
M51
2
30 N·m (3.0 kgf·m, 22 lb·ft)
Adjuster (damper assembly)
M22
2
55 N·m (5.5 kgf·m, 41 lb·ft)
Bleed screw (front fork)
M42
2
28 N·m (2.8 kgf·m, 21 lb·ft)
Front fork protector bolt
M12
2
29 N·m (2.9 kgf·m, 21 lb·ft)
Brake hose holder bolt
M5
2
1.3 N·m (0.13 kgf·m, 0.95 lb·ft)
Throttle grip cap screw
◊
M6
6
5 N·m (0.5 kgf·m, 3.7 lb·ft)
Clutch lever holder bolt
◊
M6
2
9 N·m (0.9 kgf·m, 6.6 lb·ft)
Clutch lever nut
M5
2
3.8 N·m (0.38 kgf·m, 2.8 lb·ft)
Clutch lever position locknut
M6
2
5 N·m (0.5 kgf·m, 3.7 lb·ft)
Front brake master cylinder holder bolt
M6
1
4.0 N·m (0.40 kgf·m, 3.0 lb·ft)
Front brake master cylinder reservoir cap
screw
M5
1
4.8 N·m (0.48 kgf·m, 3.5 lb·ft)
Front brake lever pivot bolt
◊
M6
2
9 N·m (0.9 kgf·m, 6.6 lb·ft)
Front brake lever pivot nut
M4
2
1.5 N·m (0.15 kgf·m, 1.1 lb·ft)
Locknut (front brake lever position)
M6
1
6 N·m (0.6 kgf·m, 4.4 lb·ft)
Front brake hose holder bolt
M6
1
6 N·m (0.6 kgf·m, 4.4 lb·ft)
Front brake hose union bolt
M6
1
5 N·m (0.5 kgf·m, 3.7 lb·ft)