Idle Drop Procedure (05 And 06 California Type, 07, After 07) - Honda CRF450X 2005 Service Manual

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FUEL SYSTEM
Damage to the pilot
screw seal will
occur
if the
pilot
screw is tightened
against the seat.
6-28
IDLE DROP PROCEDURE ('05 and '06
California type, '07, After '07)
1. Turn the pilot screw clockwise until it seats
lightly, and then back it out to the specification
given.
TOOL:
Pilot screw w rench 1'05, '06) 07908-4730002
(After '06) 07KMA-MS60102
INITIAL OPENING:
'05 and '06 California type, ' 07:1-114 turns out
After '01:
1- 118
turns out
2. Warm the engine up to operating temperaturB.
Stop and go riding for 10 minutes is sufficient.
3. Stop the engine and connect a tachometer
according to its manufacturer's instruction.
4. Disconnect the PAIR control valve vacuum hose
and plug it to keep air from enteri ng, then con-
nect the vacuum pump to the PAIR control valve
vacuum hose joint.
5. Apply the specified vacuum to the PAIR control
valve vacuum hose more than 56 kPa (420
mmHg).
6. Start the engine and adjust the idle speed with
the throttle stop screw.
IDLE SPEED: 1,700
±
100
rpm
VACUUM HOSE
PAIRC:ONTR(iLVALVE