Yamaha WaveRunner FX SVHO 2017 Operator's Manual page 82

Pre-operation checks
angle of the jet thrust nozzle. (See page 33 for
electric trim system operation procedures.)
1
1 Trim indicator
EJU40172
Engine idling speed check
Start the engine and warm it up. Use the ta-
chometer in the multifunction information
center to make sure that the engine idling
speed is not significantly above or below the
specified range.
Engine idling speed:
1250 ±100 r/min
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