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  1. superharmonix

    1998 200HP Mariner 2 stroke spark issue

    Symptoms: Motor became harder and harder to start, and eventually would only start with throttle advanced, and would not idle- just dies. Then eventually, just cranks, no start. I checked spark and found that all 3 port side cylinders all have strong spark, but all 3 starboard side cylinders...
  2. superharmonix

    1998 Mariner 200HP 2 Stroke Starting and Idling Issues

    I have had this problem the last two times I took the boat out. It is a little sluggish to start cold, but always fires up and idles fine at the dock and on muffs. The motor always has fresh properly mixed fuel. (no oil pump) After running at near WOT for 15-25 minutes, once I shut it down...
  3. superharmonix

    1978 Johnson Javelin 85hp Sea Horse leaking fuel

    After not running for 8 months I ran some sea foam mixed in with the fuel and after the smoke cleared it runs great! However, after the first day of running fine with no leaks, I saw a rainbow pool in the water all around the boat. The primer bulb was stiff, and the motor was leaking fuel. On...
  4. superharmonix

    1978 Johnson 85HP Javelin idles too high unless manually adjust throttle arm

    Hello all. When I start my motor it is already at a very high idle. I can manually push the throttle arm back at engine and it idles back down properly. When I put in gear and then back to neutral, idle speed does not decrease accordingly. Instead, the idle speed barely backs down and when I...
  5. superharmonix

    3M 5200- sealing drain hole sleeve, concerned about cure time/water

    I am trying to jump on cooperative weather to spread some 5200 in my drain hole to deal the sleeve. My concern is, once I apply, if it rains will it ruin the application? I know the package says "water activated" but I haven't used it before, and once I open it I have read it will completely...
  6. superharmonix

    tiny cracks in gel coat.

    This is a 1978 Chrysler BassRunner 85. I added the tape measure for size comparison in these pics. I am trying to decide the best way to repair these. Should I sand lightly and use tex? ...or should I just use 5200 to seal? I am not going for cosmetic value here, but I also am not a fan of...
  7. superharmonix

    Brand new trolling motor, 32 year old setup... :)

    ...just bought a Motorguide 70lbs foot controlled cable steer. Excited to see how awesome it pushed my 1978 Chrysler BassRunner around! I thought I would ;post a few pics of my CURRENT setup. My question is simple: My current setup is a 12/24 option. So, the foot control has both an on/off...
  8. superharmonix

    Best Fish Finder for this application....

    Would LOVE to hear all your opinions here... I freshwater fish exclusively. Most of the lakes I fish range in depth from 2' to around 300' . Bottom of these lakes ranges from sandy, to gravel, weeds, rocks, you name it. Some drop offs, others are rolling hills/ravines... What is your...
  9. superharmonix

    3M 5200... 57 days to cure????????

    I need to seal up a few things on my ride.... I am going to use the 3M 5200 per the peeps on these forums.. Then, I noticed the description on the stuff. Straight from West Marine's site: Goes on smoothly, won’t sag, and remains workable up to four hours. Cures in 5–7 days with no...
  10. superharmonix

    Need to use Marine Tex on bottom of hull.....

    ...so since gravity will be working against it as it cures, what type of tape should I use to cover after I apply it over the area I'm covering? (are being covered only about 2" by 1/8".... thanks!
  11. superharmonix

    cooling system operation.

    Possible dumb question alert: I have a 1978 Johnson 85hp. I am really getting into boating as a rookie, and want to maek sure of somehting here: Last August, when it was nearing 100 degrees and the water temp was over 85 degrees, my temp alarm went off. This was a 10 mph lake, and we were...
  12. superharmonix

    My 1978 Johnson 85hp manual vs. what is available today.

    Hello Johnson experts! I am stocking up all my maintenance items and just got my manual to match the above engine. There a few things it calls for that I can not find, so I am hoping some of you could point me in the right direction on each of the below. Manual says to use: OMC HI-VIS Gear...
  13. superharmonix

    Charge n' Troll???????

    What is this and how does it work? I just bought a 70# Motorguide BTW. If the above can help me keep my batts charged while using the trolling motor, I want to make sure I use it but I do not haev a clue what it is, and defenitely not a clue as to how it works? (I know what the tilt is...
  14. superharmonix

    Anyone have a clue how to use an Eagle Model: 3D-100 CCG Recorder Serial# HS9435410?

    Good afternoon finely educated sea going prodogies! I bought a 1978 Chrysler boat with the above mounted on the bow, and I can not quite seem to figure the age of the thing but it does in fact work! What I am curious of is how old is it for one? For two, and more importantly, how the heck do...
  15. superharmonix

    Is 2oz of Marine Tex enough?

    If I have to fill little cracks and 1 small gouge(3 inch by 1/4" thick on the gelcoat) could a 2oz package work? I am just trying to figure out how much Marine Tex to order... BTW, is the process of putting it on straightforward, or do I need some iBoat wisdom to do it right? Any tips?
  16. superharmonix

    Where would you go if.....

    If you were going to buy all your boating maintenance/springtime stuff at one store, where would you buy from? I am talking about anything from spark plugs to hull cleaner, trim fluid, lower unit oil, seafoam(or some other cleaner/stabilizer), fiberglass filler, buffing/polish, light oil...
  17. superharmonix

    6 month old mixed gas 85hp JOhnson

    The last time I fired up my engine was about 6 months ago. I've got roughly 3 gallons left, and there was ALOT of pressure in the tank when I took off the cap. I did not add any stabilizer when I put it up for the winter. My question is, would it be dangerous at 6 months to use the gas...
  18. superharmonix

    How to seal drain plug sleeve?

    Hello y'all. :facepalm:Last fall I forgot to pull the plug and after a month or so when I pulled it of course there was water in the boat, and when I puled it the sleeve that's mounted to the hull started to come out with it. I slid it back in, but I am a little nervous to take it out until I...
  19. superharmonix

    ...ready to strip off the old and add new paint on dash.

    This is my old '78 trihull. I want to strip off the old paint behind the gauges and put some new paint on. What's the safest/best way to strip off the old paint? What type of paint should I use? Thanks a bunch! I am always blown away at the depth of knowledge in these forums! Hats off to...
  20. superharmonix

    Sludge in the bilge area, best way to soak up?

    I have a small pool of cludge, looks like oil and gas in the bilge area of my 1978 Chrysler Bass Runner. (outboard of course) The previous owner had removed an under the deck gas tank and I believe it may have been leaking and that's where the sludge came from. My question is, what should I...
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