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Jet And Carburetor Body Inspection; High- And Low-Speed Adjusting Screw Inspection; High- And Low-Speed Adjusting Screw Adjustment; Carburetor Assembly - Yamaha WaveRunner SUV SV1200 Wartungshandbuch

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FUEL
CARBURETOR

Jet and carburetor body inspection

1. Inspect:
Main jet
Pilot jet
Carburetor body
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.
High- and low-speed adjusting screw
inspection
1. Inspect:
High-speed adjusting screw
Low-speed adjusting screw
Bends/damage/wear → Replace.
High- and low-speed adjusting screw
adjustment
1. Adjust:
High-speed adjusting screw
Low-speed adjusting screw
Adjustment steps:
Screw in the high-speed adjusting
screw 1 and the low-speed adjusting
screw 2 until they are lightly seated.
Back out the screws by the specified
number of turns.
High-speed adjusting screw:
#1, #3: 3/4 ± 1/4 turns out
#2: 1 ± 1/4 turns out
Low-speed adjusting screw:
1 ± 1/4 turns out

Carburetor assembly

1. Adjust:
Trolling speed
Refer to "FUEL SYSTEM" in chapter 3.
4-17
E

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