Pilot Screw Adjustment; Idle Drop Procedure - Honda 1985 CBX750F Workshop Manual

HONDA
CBX750F
FUEL SYSTEM
PILOT SCREW ADJUSTMENT
IDLE DROP PROCEDURE
NOTE :
• The pilot screws are factory pre-set and no
adjustment is necessary unless the pilot
screws are replaced (page 4 "131.
• Use a tachometer w ith graduation of 50
mln"! (rpm) change .
1. Turn each p ilot screw clockwise until it seats
Iightly and back it out to the specification given.
This is an initial setting prior to the final pilot
screw adjustment.
INITIAL OPENING:
2
turns out
CAUTION
Damage to the pilot screw seat will occur if
the pi/at screw is tightened against the seat.
2. Warm up the engine to operating temperature .
Stop and go driving for 10 minutes is sufficient.
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
min"
(rpm)
5. Turn each p ilot
screw 1/2 turn out from the
initial setting.
6. If the engine speed increases by 50
min"
(rpm)
or more, turn each pilot screw out by a continual
1/2 turn until engine speed drops by 50 min"
(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 speed drops 50 min" (rpm).
9. Turn the No.1 carburetor pilot screw 1 turn out
fram the position obtained in step 8 .
10 . Adjust the idIe speed with the th rattle stop
screw.
11. Perform steps 8, 9 and 10 for the No .2, 3 and
4 carburetor p ilot screws.
(11 PILOT SCRE W WR ENC H
07908- 4 2 20 201
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