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Jet Boats
General Jet Boat Discussions
Another HP rating thread
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<blockquote data-quote="Johny25" data-source="post: 267305" data-attributes="member: 7791"><p>I am always on board for putting more HP on a boat but there is a point where you start to flirt with disaster. Your boat has a HP rating for propeller driven motors. So look at it this way, a typical 70 hp propeller drive weighs around 250-270 lbs and the Yamy 115 jet you are thinking about putting on your boat weighs 416 lbs. That is a significant increase in weight on the transom and you could be asking for problems. That is 145-165lbs more weight on the transom :shock: </p><p></p><p> Research I did shows the 90 jet coming in at 390 lbs and the 115 at 416 lbs. My guess is the 90 is pushing the limit already and the 115 may be the straw that breaks the camels back sorta speak?</p></blockquote><p></p>
[QUOTE="Johny25, post: 267305, member: 7791"] I am always on board for putting more HP on a boat but there is a point where you start to flirt with disaster. Your boat has a HP rating for propeller driven motors. So look at it this way, a typical 70 hp propeller drive weighs around 250-270 lbs and the Yamy 115 jet you are thinking about putting on your boat weighs 416 lbs. That is a significant increase in weight on the transom and you could be asking for problems. That is 145-165lbs more weight on the transom :shock: Research I did shows the 90 jet coming in at 390 lbs and the 115 at 416 lbs. My guess is the 90 is pushing the limit already and the 115 may be the straw that breaks the camels back sorta speak? [/QUOTE]
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Another HP rating thread
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