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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: 423522" data-attributes="member: 2763"><p>The issue with your first motor was most likely the impeller. The impeller on mine from the factory was as I thought an uncut 60HP 2 stroke impeller. Mercury backcuts the 4 stroke version to get more RPM's out of the motor. Your speed is dead on what mine is as an average. I get between 5200 and 5400 now which gained me 2 MPH. I'm still not happy with the performance and I'm looking into going back to a prop on the boat. I do really like the boat. I think that boat is way underpowered with a 40 Jet and would be much happier with the 65 or 80 (90/115) motor. I'm trying to figure out what the performance specs would be with the 60 with a prop. I'm going to guess high 30's maybe even low 40's.</p></blockquote><p></p>
[QUOTE="MrTotty, post: 423522, member: 2763"] The issue with your first motor was most likely the impeller. The impeller on mine from the factory was as I thought an uncut 60HP 2 stroke impeller. Mercury backcuts the 4 stroke version to get more RPM's out of the motor. Your speed is dead on what mine is as an average. I get between 5200 and 5400 now which gained me 2 MPH. I'm still not happy with the performance and I'm looking into going back to a prop on the boat. I do really like the boat. I think that boat is way underpowered with a 40 Jet and would be much happier with the 65 or 80 (90/115) motor. I'm trying to figure out what the performance specs would be with the 60 with a prop. I'm going to guess high 30's maybe even low 40's. [/QUOTE]
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Jet Boats
General Jet Boat Discussions
Mercury 60/40 4 Stroke 4800 RPM WOT right?
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