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BZ 06-25-2006 09:37 PM

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....

JCPERF 06-25-2006 09:47 PM

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

BZ 06-25-2006 10:57 PM

Re: Max rpm on a 525
 
o.k. then where is the rev. limiter???

Griff 06-26-2006 02:19 AM

Re: Max rpm on a 525
 
Rev limiters should be 5350rpms. Your tach could be off a little.

gsmith9898 06-26-2006 02:15 PM

Re: Max rpm on a 525
 
mercury racing said to operate at 4900 too 5200 was perfect.


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