Yamaha YP125R, Service Manual

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TIGHTENING TORQUES (YP125R)
2-20
TIP
Lower 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 22 Nm (2.2 m·kgf, 16 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 135 Nm (13.5 m·kgf, 98 ft·lbf).
4. Tighten the swingarm mounting bolt (upper side), then the swingarm mounting bolt (lower side) to
28 Nm (2.8 m·kgf, 20 ft·lbf).
Swingarm tightening sequence:
1
2
3