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CARBURETOR
EC466020
HANDLING NOTE
CAUTION:
Do not loosen the screws {TPS (throttle
position sensor)} 1 except when changing
the TPS (throttle position sensor) due to
failure because it will cause a drop in
engine performance.
REMOVAL POINTS
Pilot screw
1. Remove:
Pilot screw 1
G
NOTE:
To optimize the fuel flow at a small throttle
opening, each machine's pilot screw has been
individually set at the factory. Before removing
the pilot screw, turn it in fully and count the
number of turns. Record this number as the
factory-set number of turns out.
INSPECTION
Carburetor
1. Inspect:
Carburetor body
G
Contamination → Clean.
NOTE:
Use a petroleum based solvent for cleaning.
G
Blow out all passages and jets with com-
pressed air.
Never use a wire.
G
2. Inspect:
Main jet 1
G
Pilot jet 2
G
Needle jet 3
G
Starter jet 4
G
Pilot air jet 5
G
Leak jet 6
G
Damage → Replace.
Contamination → Clean.
NOTE:
Use a petroleum based solvent for cleaning.
G
Blow out all passages and jets with com-
pressed air.
Never use a wire.
G
ENG
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