Regulator Body Inspection; Needle Valve Inspection; Jet And Carburetor Body Inspection; Carburetor Assembly - Yamaha WaveRunner GP800R Service Manual

FUEL
CARBURETOR

Regulator body inspection

1. Inspect:
Regulator body
Contaminants → Clean.
Damage → Replace.
Valve (clear film) 1
Damage → Replace.

Needle valve inspection

1. Inspect:
Needle valve
Needle valve seat
Contaminants a → Clean.
Wear b → Replace.
NOTE:
Always replace the needle valve and needle
valve seat as a set.

Jet and carburetor body inspection

1. Inspect:
Main jet
Pilot jet
Carburetor body
Clog/contaminants → Clean.
Damage/wear → Replace.
CAUTION:
Do not use a steel wire to clean the jets.
This may enlarge the jet diameters and
seriously affect performance.

Carburetor assembly

NOTE:
Before assembling the carburetor, make
sure to turn out the pilot screw the same
number of times, as noted before disassem-
bly, from the seated position to the set posi-
tion.
1. Adjust:
Trolling speed
Refer to "FUEL SYSTEM" in chapter 3.
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