Boat Maintenance: Hey Cat!! Yamaha FX140 Wave Runner

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	Name:	Haltstep -
	Subject:	Hey Cat!! Yamaha FX140 Wave Runner
	Date:	5/8/2012 8:08:54 PM

Hey Cat!

Just purchased a used 2003 Yamaha FX140 waverunner with 170 hours. Max speed is 37 mph and 7500 rpm in water so I replaced NGK spark plugs, but still same problem. RPM will hit 10000 sitting on the trailer, but I will only run it for a few seconds. Engine runs smooth at idle and while accelerating---just poor top end performance. Any ideas on where to go from here in troubleshooting?

Other messages in this thread:

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Hey Cat!! Yamaha FX140 Wave Runner - Haltstep - 5/8/2012 8:08:54 PM

Hey Cat!! Yamaha FX140 Wave Runner - GoneFishin - 5/8/2012 9:15:19 PM

Hey Cat!! Yamaha FX140 Wave Runner - Kizma Anuice - 5/8/2012 9:55:13 PM

Hey Cat!! Yamaha FX140 Wave Runner - Ulysses E. McGill - 5/9/2012 12:35:14 AM

Hey Cat!! Yamaha FX140 Wave Runner - CAT BOAT - 5/9/2012 9:32:26 AM

Hey Cat!! Yamaha FX140 Wave Runner - Ulysses E. McGill - 5/9/2012 12:54:46 PM

Hey Cat!! Yamaha FX140 Wave Runner - houseboat - 5/9/2012 10:50:18 AM

Hey Cat!! Yamaha FX140 Wave Runner - Summer Lover - 5/9/2012 1:30:44 PM

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