Honda TRX450R Service Manual page 152

FUEL SYSTEM (After '05)
Check the float valve and valve seat for scoring,
scratches, clogs or damage.
A worn or Check the tip of the float valve where it contacts the
contaminated float valve seat for stepped wear or contamination.
valve will not seat
c h e c ( ( t h f l v g | v e s e g t for w e g r Q r d e
properly and will
eventually flood the Clean or replace them if necessary.
carburetor.
FLOAT VALVE
VALVE SEAT
Remove the following:
- main jet
- needle jet
- baffle plate
- starter jet
- slow jet
Damage to the pilot Before removing the pilot screw, turn it in, counting
screw seat will the number of turns until it seats lightly so you can
occur if the pilot return the pilot screw to its original position when
screw is tightened reassembling.
against the seat.
R e m o v e t h e p N o t s c r e W / s p r
j
n g / w a s
h e r and O-ring. STARTER
Remove the slow air jet.
MAIN JET
BAFFLE PLATE
SLOW JET
Remove the accelerator pump bypass from the float
chamber.
Blow open the accelerator pump bypass with com-
pressed air.
Check the accelerator pump bypass for clogs or <**
damage.
SLOW AIR JET
i ACCELERATOR PUMP BYPASS
8-14