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Jet Boats
General Jet Boat Discussions
Mercury 60/40 4 Stroke 4800 RPM WOT right?
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<blockquote data-quote="MrTotty" data-source="post: 417845" data-attributes="member: 2763"><p>Manual says 5500-6000, Outboard Jets says 5300+, Mercury is still trying to figure out what it's supposed to be. The dealer told me they ran an identical boat to mine at 4850 RPM's with a top speed of 27 which is right about what I am getting. The motor produces top HP at 5k, I don't see why Merc would have put that motor out not turning at least 5. I did find out the impeller is stainless and Mercury provides it. I also found out they back cut the trailing edge of the impeller to get more RPM's. Mercury is supposed to call me back once they talk to a product manager. I'll send an update once I hear back. It may be what it is, but I still feel that motor should open up a touch more.</p></blockquote><p></p>
[QUOTE="MrTotty, post: 417845, member: 2763"] Manual says 5500-6000, Outboard Jets says 5300+, Mercury is still trying to figure out what it's supposed to be. The dealer told me they ran an identical boat to mine at 4850 RPM's with a top speed of 27 which is right about what I am getting. The motor produces top HP at 5k, I don't see why Merc would have put that motor out not turning at least 5. I did find out the impeller is stainless and Mercury provides it. I also found out they back cut the trailing edge of the impeller to get more RPM's. Mercury is supposed to call me back once they talk to a product manager. I'll send an update once I hear back. It may be what it is, but I still feel that motor should open up a touch more. [/QUOTE]
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Jet Boats
General Jet Boat Discussions
Mercury 60/40 4 Stroke 4800 RPM WOT right?
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