Sym Wolf SB 250 Ni Service Manual page 200

13. Rear wheel / Rear cushion
Damper rubber inspection
Damper rubber×4
Check if the damper rubbers worn or
damaged, replace if necessary.
Drive chain adjustment
Turn the left and the right side adjusting nut evenly
to make the chain slack within the standard range.
Fixing nut
Turn the nuts clockwise to tighten the chain, or
counterclockwise to loosen the chain.
Chain slack: 10~20mm
Adjusting nut
Tighten axle nut.
Torque value: 10.0~12.0kgf-m
After tightening the rear axle nut, please check the
adjusting nuts to prevent them from loosening.
Recheck the chain slack, and make sure the rear
wheel rotates smoothly.
Lubricate the chain with chain lubricant.
Rear axle nut
13-8