HONDA
'80
ADDENDUM
CM400T.400A
CAUTION^
Any forcible attempt to remove the
1
/
pilot screw limiter caps will cause screw
I
I
breakase.
I
1.
Turn each pilot screw clockwise until it
seats lightly and back
it
out to the specifi-
cation given.
This
is
an initial setting prior to the final
pilot screw adjustment.
INITIAL OPENING:
CM4OOT 2 TURNS OUT
CM400A 2-114 TURNS OUT
I
CAUTION
I
occur
if
the pilot screw
is
tightened
2.
Start the engine and warm it up to
operating temperature. Stop and go driv-
ing for 10 minutes
is
sufficient.
3.
Connect a tachometer.
4.
Adjust the idle speed with the throttle
stop screw.
IDLE SPEED:
CM400T-1,200i 100 rpm
(in neutral)
CM400A- 1,250
i.
100 rpm
(in neutral1
5.
Turn each pilot screw in or out to obtain
the highest engine speed.
6. Readjust the idle speed.
7.
Turn one of the pilot screws in gradually
until the engine speed
is
lowered by 100
rpm.
8.
Turn the pilot screw
318
turn out from
the above position.
9. Readjust the idle speed with the throttle
stop screw.
10. Repeat steps 7
thr~ugh
9
for the remain-
ing carburetor.
11. Apply Loctite@ 601 or equivalent to the
inside of the limiter caps. Place the caps
over the pilot screws so that their tongues
rest against the float chamber stop (Rich
side), preventing further adjustment that
would enrich the fuel mixture (No
counterclockwise rotation
is
permitted.).
NOTE
Do not turn the pilot screw when in-
stalling the limiter caps.
The
U.S.
Enviromental Protection Agency
requires that pilot screw limiter caps be
installed.
23-1
2
Date of Issue: Sept., 1979
O
HONDA MOTOR CO., LTD.
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