Honda TRX400EX FOURTRAX 1999 Service Manual page 70

FUEL SYSTEM
Remove the baffle plate and the diaphragm shaft
boot.
Check the boot for deterioration or damage.
Remove the float pin, float and float valve.
After ' 0 0 Remove the float pin by gently tapping with a suitable
pin driver (O.D. 2 mml.
Check the float for damage or fuel in the float.
Check the float valve and valve seat for scoring,
scratches, clogging or damage.
Check the tip of the float valve, where it contacts the
valve seat, for stepped wear or contamination.
Check the operation of the float valve.
Remove the slow jet and main jet.
Loosen the lock nut and remove the needle jet holder
and needle jet.
CAUTION:
Handle the jets with care. They can easily be scored
or scratched.
Turn the pilot screw in and carefully count the num-
ber of turns until it seats lightly. Make a note of this
to use as
screw.
CAUTION
Damage to the pilot screw seat will occur if the pilot
screw is tightened against the seat.
5-6
a reference when reinstalling the pilot
FLOAT
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FLOATVALVE
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