Carburetor And Fuel Pump; Diaphragm Check; Arm Check; Body Assy. Check - Yamaha WaveRunner VX 700 Service Manual

Diaphragm check

1. Check the diaphragm. Replace if dam-
aged.

Arm check

1. Check the arm 1. Repair if bent.
Replace if damaged.
2. Measure the arm height a.
Arm height a: 0–0.2 mm (0–0.008 in)
TIP:
• Measure the distance between the surface
of the carburetor body b and the top sur-
face of the arm.
• The arm should be resting on the needle
valve, but not compressing it.

Body assy. check

1. Clean the body assy., and then check the
body assy. Replace if damaged.
2. Check the valve (clear film) 1. Replace if
damaged.
TIP:
Always replace the body assy. and valve
(clear film) as a set.

Needle valve check

1. Clean the needle valve assy., and then
1
b
TIP:
Always replace the needle valve and needle
valve seat as a set.

Jet and carburetor body check

Do not use a steel wire to clean the jets.
This may enlarge the jet diameters and
seriously affect performance.
1. Clean the main jet, pilot jet and carbure-

Carburetor and fuel pump

check the needle valve assy. Replace if
worn a.
tor body, and then check the main jet,
pilot jet and carburetor body. Replace if
damaged or worn.
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