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Max rpm on a 525

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Old 06-25-2006 | 09:37 PM
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Default Max rpm on a 525
I just tried a new set of props on my 42ft fountain and never hit the rev. limiters turning around 5400-5500 rpm. the eng. say 4800-52000 rpm "range" does anybody know the max safe rpm's for these motors???? BZ

p.s. went from stock 32 4 blade bravo's to merc. labbed 32's....
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Old 06-25-2006 | 09:47 PM
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Default Re: Max rpm on a 525
Originally Posted by Bob Zubik
I just tried a new set of props on my 42ft fountain and never hit the rev. limiters turning around 5400-5500 rpm. the eng. say 4800-52000 rpm "range" does anybody know the max safe rpm's for these motors???? BZ

p.s. went from stock 32 4 blade bravo's to merc. labbed 32's....
5300.Just below the limiter
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Old 06-25-2006 | 10:57 PM
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Default Re: Max rpm on a 525
o.k. then where is the rev. limiter???
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Old 06-26-2006 | 02:19 AM
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Default Re: Max rpm on a 525
Rev limiters should be 5350rpms. Your tach could be off a little.
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Old 06-26-2006 | 02:15 PM
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Default Re: Max rpm on a 525
mercury racing said to operate at 4900 too 5200 was perfect.
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