Yamaha YZ250F(Y) Owner's Service Manual page 36

Part to be tightened
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
△
1. First, tighten the steering ring nut approximately 38 Nm (3.8 m•kg, 27 ft•lb) by using the steering nut wrench, then loosen
the steering ring nut one turn.
2. Retighten the steering ring nut 7 Nm (0.7 m•kg, 5.1 ft•lb).
ELECTRICAL
Part to be tightened
Stator
Rotor
Neutral switch
TIGHTENING TORQUES
Thread size Q'ty
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
Thread size Q'ty
M6 × 1.0
M12 × 1.25
M5 × 0.8
2-14
Tightening torque
Nm m•kg
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
Tightening torque
Nm m•kg
3 10 1.0
1 56 5.6
2 4 0.4
ft•lb
5.1
5.1
5.1
5.1
5.1
5.1
11
5.1
17
5.1
ft•lb
7.2
40
2.9