Honda CB400 SUPER FOUR Owner's Manual page 109

05/03/25 12:08:29 32MCE610_109
Adjustment:
Drive chain slack should be checked and
adjusted, if necessary, every 1,000 km (600
miles). When operated at sustained high
speeds or under conditions of frequent
rapid acceleration, the chain may require
more frequent adjustment.
(4)
(1) Rear axle nut
(2) Adjusting bolts
If the drive chain requires adjustment, the
procedure is as follows:
1. Place the motorcycle on its side stand
with the transmission in neutral and the
ignition switch off.
2. Loosen the rear axle nut ( ).
3. Turn both adjusting bolts ( ) an equal
number of turns until the correct drive
chain slack is obtained. Turn the
adjusting bolts counterclockwise to
tighten the chain, or clockwise to provide
more slack. Adjust the chain slack at a
point midway between the drive sprocket
and the rear wheel sprocket. Rotate the
rear wheel and recheck slack at other
(1)
sections of the chain.
Chain slack should be:
(3)
(2)
(3) Scales
(4) Index marks
1
2
25 35 mm (1.0 1.4 in) − −
CB400 SUPER FOUR
30 40 mm (1.2 1.6 in) − −
CB400 SUPER BOL D'OR
99