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9.9 mods, most powerful 9.9?? #4511676 02/19/10 05:11 AM
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GotMuddy Offline OP
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One of the rivers I run up here has a 9.9hp limit. I want to max one out on power but don't know which brand to choose. I hear that some merc models were the same as 25hp models as far as size. Any ideas?


Re: 9.9 mods, most powerful 9.9?? [Re: GotMuddy] #4512075 02/19/10 01:12 PM
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leanin post Offline
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get a older 15 hp evinrude and put a 9.9 cover on it. Or get a 9.9 evinrude, and put a 15 hp evinrude carburetor on it.


COMING SOON! .. THE STICKLE HOOK " the stay level sickle hook". sits level in the water with all knots.! Provides better hook sets and more natural jigging motion. No more adjusting the knot, gluing , or tying loop knots that cause the hook point to tangle in the loop, or worse knick the line.. The jighook that will make all others obsolete !
Re: 9.9 mods, most powerful 9.9?? [Re: leanin post] #4512777 02/19/10 03:55 PM
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Mike Halfmann the boatmann Offline
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That's right. The J/E 15 and 9.9 are same engine except for the carb. And somebody's information is wrong on the Merc thing.


mike halfmann
Re: 9.9 mods, most powerful 9.9?? [Re: Mike Halfmann the boatmann] #4513310 02/19/10 06:15 PM
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Hexabob Offline
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The newer Honda's (97 on) have a stop screw on the throttle. Remove that screw and you have 13.2 hp. Then for $20 you can change the jets from 48's to 52's and be at 15hp.



Re: 9.9 mods, most powerful 9.9?? [Re: Hexabob] #4513519 02/19/10 07:20 PM
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GotMuddy Offline OP
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is there any that I can put a jet on?

btw, thanks for the info.


Re: 9.9 mods, most powerful 9.9?? [Re: GotMuddy] #4513872 02/19/10 08:56 PM
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usually with carburetors, , the diameter of the throat needs to be bigger to make any difference. you cant just flood it with fuel, it needs extra air also.


COMING SOON! .. THE STICKLE HOOK " the stay level sickle hook". sits level in the water with all knots.! Provides better hook sets and more natural jigging motion. No more adjusting the knot, gluing , or tying loop knots that cause the hook point to tangle in the loop, or worse knick the line.. The jighook that will make all others obsolete !
Re: 9.9 mods, most powerful 9.9?? [Re: GotMuddy] #4513935 02/19/10 09:12 PM
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HasBen Online Content
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Originally Posted By: GotMuddy
is there any that I can put a jet on?

btw, thanks for the info.


I don't think a jet will work on such a small motor. You lose about 30-40% of your power when you install a jet, so you would be defeating the purpose.


“ When you're racing, it's life. Anything that happens before or after is just waiting.”. Steve McQueen
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