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  1. M

    Splice Question

    Here is the scenario: My battery will be located up front under the forward seat in a 15' Grumman Scrambler (Jon). I have a transom mount trolling motor and will be using a male/female trolling motor plug to disconnect it for removal. The trolling motor and plug both have 10 ga. wire. From what...
  2. M

    Johnson Conversion?

    I have a 1997 25hp Johnson pull-start outboard, model J25REUM. Is it possible to add a starter and convert it to electric start? If so, what all would be involved?
  3. M

    Transom Ply Question

    It's been some time since I've had a chance to work on my Jon but when I tried to install the new transom core yesterday, it wouldn't fit. The old core looked to be two layers of 3/4 ply merely tacked together with staples and not sealed. I made a new core using two layers of 3/4" exterior ply...
  4. M

    4200 vs. 5200

    Would 3M 4200 be appropriate for sealing bolts that go through a transom below the water line? The previous owner of my boat used 3M 5200 and to say that it was difficult to remove would be a vast understatement. I had a very difficult time removing it all when I replaced the transom core. Will...
  5. M

    Gluvit Substitute?

    Could 635 Thin Epoxy Resin from U.S. Composites be used in the same manner as Gluvit to seal seams/rivits on an aluminum hull?
  6. M

    Simple Little Things

    It always seems like the simplest things bite me in the rear-end. I'm looking so deep for answers that I miss the ones that are staring me in the face. For over a week I have been trying to troubleshoot a sputtering problem on my 25 hp. Johnson 2-stroke. Without going into excruciating details...
  7. M

    Stumped

    I have a 1997 Johnson 25 hp. model no. J25REUM. It starts just fine, idles okay and will accelerate. When I begin to increase the throttle and at higher rpms it begins to sputter and misfire. I have a new gas tank with fresh gas and oil and the fuel filter is clean. When I let off the throttle...
  8. M

    Cold Carburetor?

    I have a 1997 Johnson 25 hp. 2-stroke. Tonight while trouble shooting an entirely different problem I noticed that the carburetor and intake manifold was quite cold to the touch. So cold in fact that moisture began to condensate on them. The ambient temp. was around 80 with 35% humidity. What...
  9. M

    1997 25 hp Spits & Sputters

    I have a 1997 25hp Johnson, model number J25REUM. It starts and idles just fine but when put into gear and given a little throttle it tends to spit and sputter quite a bit. I suspected a dirty tank or bad gas so I bought a new tank and filled it with fresh gas. I cleaned the fuel filter and...
  10. M

    Rust Bullet?

    Anyone have any experience using this product? http://www.rustbullet.com
  11. M

    Another question

    First off, I'd like to thank all of you guys for your input. It's been very helpful and most appreciated. I'm in the middle of a 1446 Grumman Jon refurb. The boat has been used in brackish water conditions and the transom was made of pressure treated ply which made for a very bad combination...
  12. M

    Aluminum Bolts, etc..

    I found an excellent source for aluminum bolts and other assorted non-ferrous hardware and just wanted to pass this along. http://www.non-ferrousfastener.com
  13. M

    For The Aluminum Hull Guys

    Is there such a thing as a self-etching paint that would allow me to paint the interior of my Jon without having to prime first? I already have it down to bare metal inside and out in preparation to steelflex the outside. If I have to go the prime and paint route, I have to apply paint...
  14. M

    Removing Corrosion

    What is the best way to remove or neutralize galvanic corrosion on aluminum? I've read about using white vinegar, Alumiprep #33 and Aluminum Jelly. Which is best and how best applied?
  15. M

    Closed-End Pop Rivets

    Anyone here ever use 'em below the water line? Installed with any type of sealer such as Marine-Tex or 3M-101? Which end do you recommend to be outside the boat, head or butt?
  16. M

    3M 5200 Question

    Do you guys think that 3M 5200 will hold a large patch (approx. 12" x 14") onto the exterior surface of an aluminum transom below the waterline without any fasteners? Okay, maybe three or four bolts going through transom. If so, should the patch be clamped in some fashion or will 3M 5200 hold...
  17. M

    Transom Build-up

    I'm replacing the transom in my 1442 jon with two layers of 3/4" exterior grade plywood and intend to glue them together using Gorilla Glue. When it's cured, I want to drill all required holes (oversized) and then coat it with fibergalss resin before reinstalling. My question is, which side...
  18. M

    Transom Troubles (Another Gluvit Question)

    Can Gluvit be used on the outside of a transom as well as the inside? I have a good many pin holes on both sides of my transom (1442 Grumman jon boat manufactured in 1988). I suspect that pressure treated wood was used for the core and I will attempt to replace it with plywood coated with...
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