Honda CBR 125RW 2007 Owner's Manual page 123

Drive Chain
LEFT SIDE
(1) rear axle nut (4) index mark
(2) lock nut (5) rear edge of
(3) drive chain adjusting slot
adjusting nut
1. Place the motorcycle on its side stand
with the transmission in neutral and the
ignition switch OFF.
. Loosen the rear axle nut ( 1).
. Loosen the lock nuts (2 ) on both sides
of the swingarm.
. Turn both adjusting nuts (3 ) an equal
number of turns until the correct drive
chain slack is obtained. Turn the
adjusting nuts clockwise to tighten the
chain, or counterclockwise to provide
more slack. Adjust the chain slack at a
point midway between the drive
sprocket and the rear wheel sprocket.
Roll the motorcycle forward. Stop and
place it on its side stand. Recheck chain
slack. Chain slack should allow the
following vertical movement by hand:
25-35 mm (1 — 1 3/8 in)
(cont'd)
Servicing Your Honda 113