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merc 502 RPM question

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Old 10-26-2006, 06:56 PM
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Default merc 502 RPM question

I have a 35 fountain with twin factory 502's only turning 4100 rpm WOT. what is the problem??? maybe props? wife to fat ? !!!! What should they be turning
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Old 10-26-2006, 07:12 PM
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Default Re: merc 502 RPM question

Hmmm this might require a picture of the wife.
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Old 10-26-2006, 07:22 PM
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Default Re: merc 502 RPM question

4600-5000 Rpm.
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Old 10-26-2006, 08:44 PM
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Default Re: merc 502 RPM question

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Originally Posted by 99fever27
Hmmm this might require a picture of the wife.

Maybe he's from Utah and has more than one???
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Old 10-26-2006, 08:47 PM
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Default Re: merc 502 RPM question

I have a 32 fountain with stock 502's...I turn labbed 26 hydros at 5150 (light load) the limiter is at 5200 stock
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Old 10-27-2006, 07:23 AM
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Default Re: merc 502 RPM question

Thanks corbvette, that is what I need , I will check out the props today. thanks
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Old 10-27-2006, 11:02 AM
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Default Re: merc 502 RPM question

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Originally Posted by tanner
I have a 35 fountain with twin factory 502's only turning 4100 rpm WOT. what is the problem??? maybe props? wife to fat ? !!!! What should they be turning

This is the boat thats for sale ?
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Old 10-27-2006, 07:27 PM
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Default Re: merc 502 RPM question

Thanks guys, previous owner had different props on the boat . I am changing them and that should get me into the high 4000 RPM range. Not really interested in getting into the 5000 range just for reliability factor.


Yes Bernie this is the boat for sale. I should just sell it instead of making it perfect.... .but just what I do !!
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