Trolling Speed Check And Adjustment - Yamaha WaveRunner FX140 Service Manual

INSP
ADJ
CONTROL SYSTEM

Trolling speed check and adjustment

1. Measure:
• Trolling speed
Out of specification → Adjust.
Trolling speed:
1,600–1,800 r/min
Checking steps: (Watercraft on water)
• Start the engine and allow it to warm up
for a 15 minutes.
• Check the engine trolling speed using the
tachometer of the multifunction meter or
using the Yamaha Diagnostic System.
2. Adjust:
• Trolling speed
Adjustment steps:
• Remove the air filter case cover 1.
• Start the engine.
• Turn the throttle stop screw 2 in or out
until the specified speed is obtained.
Turn in a
Turn out b
• Install the air filter case cover.
Air filter case cover screw:
2.5 N • m (0.25 kgf • m, 1.8 ft • lb)
LOCTITE
3-8
Increase trolling speed.
Decrease trolling speed.
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