Honda V65 Magna-VF1100C 1983 Shop Manual page 74

FUEL SYSTEM
CARBURETOR INSTALLATION
Install the air vent cut-off valve and connect the air
vent tube (After '85 California model only).
Installation is essentially the reverse of removal.
NOTE
Route the throttle and choke cables properly
(pages 1-10through 1-15).
Perform the following inspections and adjustments.
Throttle operation (page 3·6).
• Carburetor choke (page 3-7).
Carburetor idle speed (page 3-15).
Carburetor synchronization (page 3-14).
PILOT SCREW ADJUSTMENT
IDLE DROP PROCEDURE (U.S.A. ONLY)
NOTE
• The pilot screws are factory pre·set and no
adjustment is necessary unless the pilot
screws are replaced (page
4·8).
• Use a tachometer with graduations of 50
rpm or smaller that will accurately indicate
a 50 rpm change.
1. Turn each pilot screw clockwise until it seats
lightly and back it out to the specification
given. This is an initial setting prior to the final
pilot screw adjustment.
INITIAL OPENING:
'83: 3 turns out
'84-'85: 2·3/4 turns out
3 turns out (California only)
After '85: 2-1/2 turns out
CAUTION:
Damage to the pilot screw seat will occur
if the pilot 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 its manufac·
turer's instructions.
4. Adjust the idle speed with the throttle stop
screw.
IDLE SPEED: 1,000
±
100 rpm
5. Turn each pilot screw 1/ 2 turn out from the
initial setting.
6.
If the engine speed increases by 50 rpm or
more, turn each piiot screw out by a continual
1/ 2 turn until engine speed drops by 50 rpm or
less.
4-16
AIR VENT CUT·OFF VALVE
PILOT SCREW
THROTTLESTOPSCREW