Honda ANF125 Owner's Manual page 94

If the drive chain slack is excessive when
the rear axle is moved to the furthest limit
of adjustment, the drive chain is worn and
must be replaced.
5. Tighten the rear axle nut to the specified
torque.
Rear axle nut torque:
59 N·m (6.0 kgf·m , 44 lbf·ft)
6.
Tighten the drive chain adjusting nuts
lightly, then tighten the drive chain lock
nuts by holding the drive chain adjusting
nuts with a spanner.
7. Recheck drive chain slack.
8. Rear brake pedal freeplay is affected
when repositioning the rear wheel to
adjust drive chain slack. Check rear brake
pedal freeplay and adjust as necessary
(page 22 ).
84
Lubrication:
Lubricate every 1,000 km (600 miles) or
sooner if chain appears dry.
Use SAE 80 or 90 gear oil or a commercially
prepared drive chain lubricant s in
preference to motor oil or other lubricants.
Saturate each chain link joint so that the
lubricant penetrates between the link plates,
pins, bushings, and rollers.
Replacement chain:
DID 420DX
RK 420SB
http://mototh.com
or