Honda CB250 Nighthawk Owner's Manual page 128

5. Check rear axle nut alignment by
making sure the chain adjuster index
marks ( ) align with the rear edge ( ) 4
of the adjusting slots.
Both marks should correspond. If the
axle is misaligned, turn the right or left
adjusting nut until the marks correspond
on the rear edge of the adjusting slots
and recheck chain slack.
6. Torque the rear axle nut to:
43 lbf·ft (59 N·m , 6.0 kgf·m)
If a torque wrench is not used for this
installation, see your Honda dealer as
soon as possible to verify proper
assembly. Improper assembly may lead
to a loss of braking capacity.
7. Tighten the adjusting nuts lightly. Then,
while holding the adjusting nuts with a
5 wrench, tighten the lock nuts.
Lubrication
Refer to
Lubricate every 500 miles (800 km) or
sooner if chain appears dry. Lubricant:
SAE 80 or 90 gear oil
Drive Chain
Saf ety Precautions on page
Servicing Your Honda
54 .
119