Yamaha MBK MW125 2014, Service Manual

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TIGHTENING TORQUES
2-18
TIP
Lower bracket ring nut and steering column ring nut
1. Tighten the lower ring nut 38 Nm (3.8 m·kgf, 27 ft·lbf) with a torque wrench and the steering nut
wrench, and then loosen the nut 1/4 turn.
2. Tighten the lower ring nut 16 Nm (1.6 m·kgf, 12 ft·lbf) with a torque wrench and the steering nut
wrench.
3. Install the rubber washer and the center ring nut.
4. Finger tighten the center ring nut, align the slots of both ring nuts, and then install the lock washer.
5. Hold the lower and center ring nuts, and then tighten the upper ring nut 75 Nm (7.5 m·kgf, 54 ft·lbf)
with a torque wrench and the steering nut wrench.
TIP
Swingarm mounting bolt
1. Temporarily install the rear wheel axle nut “1”.
2. Temporarily install the swingarm mounting bolt (upper side) “2”, then the swingarm mounting bolt
(lower side) “3”.
3. Tighten the rear wheel axle nut to 125 Nm (12.5 m·kgf, 90 ft·lbf).
4. Tighten the swingarm mounting bolts to 31 Nm (3.1 m·kgf, 22 ft·lbf).
Swingarm tightening sequence:
Front upper link arm nut M12 1 88 Nm (8.8 m·kgf, 64 ft·lbf)
Front lower link arm nut M12 1 88 Nm (8.8 m·kgf, 64 ft·lbf)
Rear lower link arm bolt M12 1 88 Nm (8.8 m·kgf, 64 ft·lbf)
Rear lower link arm bolt (to front low-
er link arm)
M10 6 55 Nm (5.5 m·kgf, 40 ft·lbf)
Rear lower link arm bolt (to lower
bracket pipe)
M12 2 110 Nm (11 m·kgf, 80 ft·lbf)
Front lower link arm bolt (to lower
bracket pipe)
M12 2 110 Nm (11 m·kgf, 80 ft·lbf)
Upper link arm bolt (to lower bracket
pipe)
M12 2 110 Nm (11 m·kgf, 80 ft·lbf)
Steering head pipe stud bolt M12 2 30 Nm (3.0 m·kgf, 22 ft·lbf)
Item
Thread
size
Q’ty Tightening torque Remarks
3
2
1