5. FUEL SYSTEM AGILITY 50
Valve Seat
INSPECTION
Inspect the float valve and valve seat for
damage or clogging.
Inspect the float valve and valve seat
contact area for stepped wear or
contamination.
Worn or contaminated float valve and
valve seat must be replaced because it
will result in float level too high due to
incomplete airtightness.
Needle Jet Holder Slow Jet
ASSEMBLY
Install the slow jet, needle jet, needle jet
holder, main jet and pilot screw.
Return the pilot screw to the original
position as noted during removal.
Standard Opening: 21/2 turns
Pilot Screw Needle Jet Main Jet
Float Float Valve
Install the float valve, float and float pin.
Secure the float pin with the screw.
Float Pin Screw
FLOAT LEVEL INSPECTION
· Check the operation of the float valve
and float before this inspection.
· Measure the float level by placing the
float level gauge on the float chamber
face parallel with the main jet.
Measure the float level.
Float Level: 17.0mm
This installation sequence is the reverse of
removal.
Float Level Gauge
5-9