Throttle Operation; Idle Speed Adjustment - Honda CB400T Shop Manual

HONDA
INSPECTION AND ADJUSTMENT
CB4OOT
Throttle grip free play can be adjusted at
either end of the throttle cable. Major adjust-
ments must be made
a t
the lower adjuster. To
adjust, loosen the grip play adjuster lock nut
and turn the adjuster In either direction.
Minor adjustments must be performed at the
upper adjuster.
THROTTLE OPERATION
Make sure that there is no deterioration.
damage, or kink in the throttle cables, and
that the throttle grip free play is 2-6 mrn
(118-114 in.) on the outer edge of the throt-
t l e
grip flange.
Check for smooth throttle grip rotation
from fully closed to fully opened positions
a t
all steering positions.
Adjust or replace, if necessary.
IDLE SPEED ADJUSTMENT
2--6 mm (118-714 in.)
NOTE
Adjust idle after synchronizing carbure-
tors. The engine must be warm for
accurate idle adjustment. Ten minutes
of stop-and-go driving should be suf-
ficient.
Warm up the engine, shift to NEUTRAL, and
put the motorcycle on i t s centerstand or hold
it upright. Turn the throttle stop screw a s
required to obtain the specified idle speed.
IDLE SPEED: 1,200
+
100 rpm
If pilot screw adjustment i s required, turn
each pilot screw to find the highest idle speed.
Reset idle speed with the throttle stop screw.
Repeat this sequence once.
fuel mixture; turning out produces a
rich fuel mixture.
Date of Issue: September, 1977
O HONDA MOTOR CO.. LTD.