Trolling Speed Check - Yamaha WaveRunner GP1300R 2003 Manuel D'atelier

INSP
ADJ
CONTROL SYSTEM
NOTE:
If the QSTS cable cannot be properly adjusted
by the cable joint at the QSTS converter end,
adjust the cable joint at the jet pump end so
that the same lengths are obtained. Refer to
"REMOTE CONTROL CABLES AND SPEED
SENSOR LEAD" in Chapter 8.

Trolling speed check

NOTE:
The trolling speed of this model is adjusted
automatically by the ECM according to the
operating conditions of the watercraft. There-
fore, it is not necessary to adjust the trolling
speed.
1. Measure:
• Trolling speed
Out of specification → Proceed to step
2.
Trolling speed:
1,250–1,450 r/min
Checking steps: (watercraft in water)
• Start the engine and warm it up for a few
minutes at 4,000–4,500 r/min to stabilize
the trolling speed.
• Measure the trolling speed.
2. If the trolling speed is out of specification,
check the following.
If no malfunctions are found after perform-
ing all of the checks, replace the throttle
bodies.
• Check the spark plugs.
Refer to "Spark plug inspection."
• Check the throttle cable and oil pump
cable.
Refer to "Throttle cable inspection and
adjustment."
Refer to "OIL PUMP" in Chapter 4.
• Check the intake passages.
Refer to "INTAKE DUCT AND INTAKE
SILENCER" in Chapter 4.
Refer to "REED VALVES" in Chapter 5.
Refer to "HOSES" in Chapter 8.
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E