Pilot Screw Adjustment: ('02 - '05 Model) - Honda Metropolitan CHF50 Service Manual

FUEL SYSTEM
Connect the fuel hose, vacuum hose and water hose
on the carburetor.
After installing the carburetor, check for the follow-
ing:
- Engine idle speed (page 3-12)
- Throttle grip free play (page 3-4)
If the throttle position sensor is removed, be sure to
reset the data (page 16-10).
Install the luggage box (page 2-6).
PILOT SCREW ADJUSTMENT:
('02 - '05 model)
• The pilot screw is factory pre-set and no adjust-
ment is necessary unless the pilot screw is
replaced.
• The engine must be warm for accurate adjust-
ment. Ten minutes of stop-and-go riding is suffi-
cient.
• Use a tachometer with graduations of 50 rpm or
smaller that will accurately indicate a 50 rpm
change.
Damage to the pilot 1. Turn the pilot screw clockwise until it seats
lightly, and then back it out to the specification
given.
TOOL:
Pilot screw wrench 07KMA-MS60101 or
07MMA-MT3010B or
07MMA-MT3010A
(U.S.A. only)
INITIAL OPENING: 2-3/4 turns out
[P-type]:2-1/8 turns out
2. Warm the engine up to operating temperature
3. Stop the engine and connect a tachometer
according to the tachometer manufacturer's
instructions.
4. Open the seat and remove the rubber plug.
5. Start the engine and adjust the idle speed with
the throttle stop screw.
IDLE SPEED: 2,000 ± 100 rpm
screw seat will
occur if the pilot
screw is tightened
against the seat.
PILOT SCREW WRENCH
THROTTLE STOP SCREW
5-18