Periodic Service; Fuel System; Carburetor Adjustment - Yamaha WaveRunner XL700 Supplementary Service Manual

INSP
ADJ

PERIODIC SERVICE

PERIODIC SERVICE

FUEL SYSTEM

Trolling speed inspection and adjustment
1. Check:
S Trolling speed
Out of specification ! Adjust.
Trolling speed:
1,250
Checking steps: (vehicle on water)
S Start the engine and allow it to warm up for
a few minutes.
S Attach the engine tachometer to the spark
plug lead.
Engine tachometer:
YU-8036-A/90890-06760
S Measure the engine trolling speed.
2. Adjust:
S Trolling speed
Adjustment steps:
S Screw in the low speed screws 1 until they
are lightly seated.
S Back the screws out by the specified num-
ber of turns.
Low speed screw:
5/8
S Start the engine and allow it to warm up for
a few minutes.
S Turn the throttle stop screw(s) 2 in or out
until the specified speed is obtained.
Turning in
Turning out

Carburetor adjustment

1. Adjust:
S High speed screw
Adjustment steps:
S Screw in the high speed screws 1 until
they are lightly seated.
S Back the screws out by the specified num-
ber of turns.
High speed screw:
5/8 (F), 1-1/8 (R)
(turns out)
12
50 r/min
1/4 (turns out)
Increase trolling speed.
Decrease trolling speed.
1/4