Sea Nymph Bass Attacker Rebuild

[WALI4VR]

Just curious... What hp is that boat rated for?

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[flex]

Just curious... What hp is that boat rated for?

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Plate says 70hp. So we right on the dot! I was willing to go maybe even bigger if I found the right deal. But couldn't pass up this motor!

We are moving the 12 gallon gas tank up into the front of the boat to help balance out the motor and set back of the Jack plate. Also going to be putting the deep cycle batteries for trolling motor and bow fishing lights up there as well.

I'm so excited to get this boat back on the water. It used to have a Merc 35. Got 15+ good years out of it. But way under powered. Should be a screamer now!

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[flex]

Serious progress today! Got the motor and everything complete through the transom with the 5200.

Relocated gas tank to under the front deck.

Got all the decks cut and fit.

Attached and ran all electronics, steering, fuel line, etc.

Now we just gotta paint it all, and should be about ready!

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[flex]

Another long day. Painted everything, finished all decks and trim. Now just have to finish some wiring, reinstall decks, and chop a few inches off my trailer so we can fit it in the garage, and we're ready to roll!

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[flex]

So we got it buttoned up. Today was the first lake test. We got it backed off and started right up. Ran fine on muffs, under load different story. Definitely need a carb rebuild. She only wanted to run idle or WOT! But jack plate was great, boat rode and floated good. We were letting in some water. The only fitting in the transom I didn't mess with is leaking. So going to knock that out soon.

If anybody has advice on carbs feel free to chime in. Haven't touched a carb in years. Going to be watching some videos if I can find them.

Also, it's a 17' semi v, with two people in the boat we were only running 36, water wasn't glass, and we didn't play with trim. But is that about right? I just figured 40+.

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[flex]

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[flex]

Buttoned up a few more things today. Trailer winch strap, new bilge pump, fixed the leaking thru hull(hopefully the only leak)

I've ordered carb rebuild kits. This motor is strange to me. May be just needing rebuild. But It fires right up, idles fine all day, will rev with zero issues. Then put it in gear and fall flat. A few times when we had it on water we'd get it to wide open throttle and then it would scream. Wish I had someone close that had experience. I'm shooting in the dark.

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[flex]

Well she works! Fuel intake screen in the tank was corroded. Cleaned and polished, and then hit low speed jets with carb cleaner, installed missing low speed plug. Fired right off, ran like a champ! Idle, shift, all speeds perfect!


Only tops out around 34-36 though. I think I should be faster. Going to play with trim and jack plate this weekend.

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[Lockndam25]

Nice job got mine done too, it's funny how some people give up on a old tin boat. I think I got maybe 30 hours rebuilding mine and I know everything was done correctly. Now it's time to go catch some fish.

 

[flex]

Got some more things done. New spark plugs in, old spark plugs were not even correct plugs, and gapped between .050 and .060! Motor running much smoother now.

Prop that came on it is a 13 3/4 x 15. Picking up a 19 pitch stainless and a 17 pitch aluminum to see if I can gain more speed. I think they will get it done. Right now it launches on plane and to wot. More pitch should get it perfect!

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[flex]

Stainless was actually a 14-17prop. Bumped my top speed to 37 at 5700 ish rpm. Hopefully picking up a 19 pitch stainless this week to go over 40. Then I will hope I am still spinning Max rpm and try to find a raker ss prop and go as fast as possible!

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[flex]

Got a trolling motor put in today. Don't have many other plans besides hit the water all summer.

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[Lockndam25]

So it’s that time of year again, I was looking at old post from last year and you’re rebuild turned out great, I got mine finished and had a blast fishing all summer, now I got to finish the ski boat it has so electric issues, but nice to see you did good

 

[flex]

So it’s that time of year again, I was looking at old post from last year and you’re rebuild turned out great, I got mine finished and had a blast fishing all summer, now I got to finish the ski boat it has so electric issues, but nice to see you did good

Nice. I've made several more upgrades since then. Rod holders, trolling motor, lights, trailer work. And caught a few fish.

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