13 Motore
1. General information
USE AND MAINTENANCE MANUAL
CHAPTER 1
GENERAL INFORMATION
XEF 250 - Rev01 / 2020
20
Tip : Cylinder head bolt
– 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
“
◊
” = 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 Nm (2.1 kgf•m, 15 lb•ft)
Lower bracket pinch bolt
◊
M8
4
21 Nm (2.1 kgf•m, 15 lb•ft)
Steering stem nut
◊
M24
1
145 Nm (14.5 kgf•m, 107 lb•ft)
Upper handlebar holder bolt
◊
M8
4
28 Nm (2.8 kgf•m, 21 lb•ft)
Lower handlebar holder nut
◊
M10
2
40 Nm (4.0 kgf•m, 30 lb•ft)
Engine stop switch screw
M3
1
0.5 Nm (0.05 kgf•m, 0.37 lb•ft)
Start switch
M3
1
0.5 Nm (0.05 kgf•m, 0.37 lb•ft)
Mode switch (Except for Canada)
M3
1
1.3 Nm (0.13 kgf•m, 0.95 lb•ft)
Lower ring nut
◊
M28
1
See tip at page 22.
Damper assembly (front fork)
M51
2
30 Nm (3.0 kgf•m, 22 lb•ft)
Inner tube and Adjuster
M22
2
55 Nm (5.5 kgf•m, 41 lb•ft)
Base valve (front fork)
M42
2
28 Nm (2.8 kgf•m, 21 lb•ft)
Adjuster (damper assembly)
M12
2
29 Nm (2.9 kgf•m, 21 lb•ft)
Bleed screw (front fork)
M5
2
1.3 Nm (0.13 kgf•m, 0.95 lb•ft)
Front fork protector bolt
◊
M6
6
5 Nm (0.5 kgf•m, 3.7 lb•ft)
Speed sensor bolt
M6
1
7 Nm (0.7 kgf•m, 5.2 lb•ft)
Plate bolt
◊
M5
2
3.8 Nm (0.38 kgf•m, 2.8 lb•ft)
Throttle grip cap screw
M5
2
3.8 Nm (0.38 kgf•m, 2.8 lb•ft)
Clutch lever holder bolt
M5
2
3.8 Nm (0.38 kgf•m, 2.8 lb•ft)
Clutch lever nut
M6
1
4.0 Nm (0.40 kgf•m, 3.0 lb•ft)
Front brake master cylinder holder bolt
◊
M6
2
9 Nm (0.9 kgf•m, 6.6 lb•ft)
Front brake master cylinder reservoir cap
screw
M4
2
1.5 Nm (0.15 kgf•m, 1.1 lb•ft)
Front brake lever pivot bolt
M6
1
6 Nm (0.6 kgf•m, 4.4 lb•ft)
Front brake lever pivot nut
M6
1
6 Nm (0.6 kgf•m, 4.4 lb•ft)