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Jet Boats
General Jet Boat Discussions
20/30 Johnson Jet leg.
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<blockquote data-quote="handyandy" data-source="post: 458914" data-attributes="member: 18942"><p>that small of a jet motor is only good for 2 guys and light load if it's on a light boat which it sounds like your boat is light. If it's a v bottom boat forget it. You absolutely will want to get the 30-35hp carb and intake to up the performance of that engine, it still won't be fast though but should have enough to get on plane with two guys in a light flat bottom. What size is your boat 14' long how wide? flat bottom or semi v? </p><p></p><p>There are other things you can do with those little 2 cyl omc engines you can get them to scream pretty good considering how small they are. Guys race them on little hydros and v bottom boats with props and get really impressive speed. But prop is way different than jet. With that said you can shave the head a little, go to the bigger carb, better reeds, and shorten the exhaust tuner some, jet the carb accordingly for more performance, but for most that is beyond what they want to do. It would help that motor with a jet, but at the end of the day your still limited as to how much water that little jet pump can move.</p></blockquote><p></p>
[QUOTE="handyandy, post: 458914, member: 18942"] that small of a jet motor is only good for 2 guys and light load if it's on a light boat which it sounds like your boat is light. If it's a v bottom boat forget it. You absolutely will want to get the 30-35hp carb and intake to up the performance of that engine, it still won't be fast though but should have enough to get on plane with two guys in a light flat bottom. What size is your boat 14' long how wide? flat bottom or semi v? There are other things you can do with those little 2 cyl omc engines you can get them to scream pretty good considering how small they are. Guys race them on little hydros and v bottom boats with props and get really impressive speed. But prop is way different than jet. With that said you can shave the head a little, go to the bigger carb, better reeds, and shorten the exhaust tuner some, jet the carb accordingly for more performance, but for most that is beyond what they want to do. It would help that motor with a jet, but at the end of the day your still limited as to how much water that little jet pump can move. [/QUOTE]
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20/30 Johnson Jet leg.
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