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Jon and V Boat Conversions & Modifications
Gotta get ready for gator season!!! 14'flat bottom/johnson25
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<blockquote data-quote="benjineer" data-source="post: 192382" data-attributes="member: 3833"><p>I think one thing minicuda is getting at is that it's harder to find a short shaft 40hp. My 16' V-hull has a 48" wide bottom, and I think the 25 is going to be just fine for me. That said, your 25 is older, and is probably the equivalent of a modern 22.5 if they made one. That is because they changed the way they measured horsepower I think around 1990. I say fix it, try it, see what you think. </p><p></p><p>That model had a condenser and points. I think you have to pull the flywheel (may need impact wrench) to get to them , but points wear out/burn up or can get some corrosion, etc on them that keep them from working. A breaker assembly (part #0580148) or set of points is only $10. It requires 2 sets, so it could be either the points or the coil for that cylinder. I think if I took the flywheel off I'd replace both sets and the condenser (part #0580422) $5.35. You can do that for less than the cost of a coil. If you want to check the coils, switch them and see if the problem moves. If the coil that wouldn't fire does fire when wired to the other set of points, then the coil is not the problem. Again, I'm no outboard expert, but I used to follow my dad the mechanic around to work on tractors, cars, etc. Newer engines don't use breaker points, but I do remember them being one of the first things to check when the fire stopped.</p></blockquote><p></p>
[QUOTE="benjineer, post: 192382, member: 3833"] I think one thing minicuda is getting at is that it's harder to find a short shaft 40hp. My 16' V-hull has a 48" wide bottom, and I think the 25 is going to be just fine for me. That said, your 25 is older, and is probably the equivalent of a modern 22.5 if they made one. That is because they changed the way they measured horsepower I think around 1990. I say fix it, try it, see what you think. That model had a condenser and points. I think you have to pull the flywheel (may need impact wrench) to get to them , but points wear out/burn up or can get some corrosion, etc on them that keep them from working. A breaker assembly (part #0580148) or set of points is only $10. It requires 2 sets, so it could be either the points or the coil for that cylinder. I think if I took the flywheel off I'd replace both sets and the condenser (part #0580422) $5.35. You can do that for less than the cost of a coil. If you want to check the coils, switch them and see if the problem moves. If the coil that wouldn't fire does fire when wired to the other set of points, then the coil is not the problem. Again, I'm no outboard expert, but I used to follow my dad the mechanic around to work on tractors, cars, etc. Newer engines don't use breaker points, but I do remember them being one of the first things to check when the fire stopped. [/QUOTE]
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Jon and V Boat Conversions & Modifications
Gotta get ready for gator season!!! 14'flat bottom/johnson25
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