Pilot Screw Adjustment; Idle Drop Procedure (U.s.a. Only) - Honda V 45 SABRE-VF750S 1982 Shop Manual

FUEL SYSTEM
P ILOT S CREW ADJUSTMENT
IDLE DROP PROCEOURE (U.S.A. ONLY)
NOTE
• The pilot screws are factory pr.-set and no
adjustment is necessary unless the pilot
screws ar. replaced (P-s- 4·10).
• Use I tachometer with graduations of 50
rpm or smatler that
will
accurat1!ly indicate
• 50 rpm change.
1. Turn each pilot screw clockwise until it seats
tightly and back it out to the specification
givitn. This is an initial setting prior to the final
pilot screw adjustment.
INITIAL OPEN ING: 2·3/4 turns out
CAUTION:
Damage
to
the pilot SC~ seat will occur
if
the pl70r screw is tightened agalmt the
seat.
2. Warm up the engine to operating temperature.
Stop and go driving for 10 minutes is wfficient.
3. Attach a tachometer according to the manufac-
turer's instructions.
4. Adjust the idle speed with the throttle stop
screw.
IDLE SPEED: 1,000 ± 100 rpm
5.
Turn nch pilot screw
1/2
turn out from the
initial setting.
6. If the engine speed increases by 50 rpm or
more, turn each pilot screw out
by
a continual
1/2 turn until engine
speed
drops
by
50 rpm or
less.
7. Adjust the idle speed with the throttle stop
screw.
8.
Turn the No.1 carburetor pilot screw in until
the engine 1PIIed drops 50 rpm.
9. Turn the No. 1 carburetor pilot saew 1 turn
out from the position obtained
in step B.
10.
Adjust the idle
speed
with the throttle rtop
screw.
11 . Perform steps 8, 9 and 10 for the No.2, 3 and
4 carburetor pilot screws.
12. Oriv, new pilot screw plugs into the pitot screw
bores with a 7 mm valve guide drivertP/N 07942
-82300001. When fully seated the plug surfaces
will be recessed 1
mm
into t he pitot screw
botl.
4-18
. .
c;j) HONDA
~.
V45
~~::~
Dale of Issue: January, 1982
© HONDA MOTOR CO., lTD.
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