Drive Chain Slack Adjustment - Yamaha RAPTOR 250 YFM350RV Owner's Manual

1. Upper wheel hub bolt
1. Boulon supérieur de moyeu de roue
2. Boulon inférieur de moyeu de roue
1. Perno superior del cubo de la rueda
2. Perno inferior del cubo de la rueda
1. Locknut 2. Adjusting bolt
1. Contre-écrou
3. Repères d'alignement
1. Contratuerca
3. Marcas de alineación
2. Lower wheel hub bolt
3. Alignment marks
2. Boulon de réglage
2. Perno de ajuste

Drive chain slack adjustment

1. Loosen the rear wheel hub upper and lower
bolts.
2. Loosen the locknuts on each side of the swin-
garm. To tighten the drive chain, turn the ad-
justing bolts in direction a. To loosen the
drive chain, turn the adjusting bolts in direc-
tion b and push the wheels forward. Turn
each adjusting bolt exactly the same amount
to maintain correct axle alignment.
NOTE:
_
There are alignment marks on each side of the
swingarm and on the hub. Use them to check for
proper wheel axle alignment.
_
3. After adjusting, tighten the locknuts and the
wheel hub bolts to the specified torques.
Tightening torques:
Locknut:
16 Nm (1.6 m·kgf)
Upper wheel hub bolt:
120 Nm (12.0 m·kgf)
Lower wheel hub bolt:
73 Nm (7.3 m·kgf)
8-71
EBU14990