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#1
08-14-2006, 07:22 PM
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Re: Problems w/ Yamaha OX66 250HP
The big block Yam OX66's run on 6 cyl. at idle and above ~1900 rpm. Everywhere else it drops two and runs on 4 cyl. I would suspect the throttle position sensor from what you have described.
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#2
08-14-2006, 08:24 PM
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Re: Problems w/ Yamaha OX66 250HP
I kinda agree with the last guy, not familiar with that sensor, but sounds like its dropping and picking up cylinders though.
__________________
Any way you measure it - dumbass is expensive
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#3
08-15-2006, 09:00 AM
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Re: Problems w/ Yamaha OX66 250HP
reelescape,
Is the throttle position sensor in the binnacle control or on the motor somewhere? I haven't gotten the complete mechanical manual for it yet...
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#4
08-15-2006, 10:56 AM
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Re: Problems w/ Yamaha OX66 250HP
It's on the engine. Try asking this same question on TheHullTruth.com
SIM is the Yam guru and should chime in. After re-reading your question, you may have more than one problem but the TPSensor would be one of my first choices.
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