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  1. Gas Giant

    Sputters, but won't start - not sure what to do

    Engine is a '61 Evinrude Lark III, 40hp, Model #35524 Long story short, the entire ignition system has been replaced. (points, condensers, coils, spark plug wires, spark plugs). Points were gapped to 0.020". Spark was verified with an automotive spark tester set to 7/16". All of the...
  2. Gas Giant

    Evinrude Lark III - carb/float question

    Model # 35524 1961 40hp I just finished rebuilding the carburetor on this engine. Did a full rebuild; tore it down to a bare shell (even took out those welch plugs), soaked it in carb cleaner, blew out all the passages and put it back together with an OMC kit. Its sparking clean now, inside...
  3. Gas Giant

    Evinrude Lark 3 - replaced everything and STILL no spark

    Engine is a '61 Evinrude Lark 3, Model Number 35524. (No generator) Okay, as the title says I have no spark on either cylinder. I won't go into huge detail, (unless asked to) but here is the condensed version. Work done: -Replaced points and condensers, set points to 0.020" -Replaced coils...
  4. Gas Giant

    Evinrude Lark 3 - replaced points and coils - still no spark

    I've got a '61 Evinrude Lark III, and as the title says, it doesn't have spark. It hasn't since I got it a few weeks ago. After reading some threads on this forum, I pulled the flywheel and replaced the points and coils. I set the point gap to 0.020". But I still don't have any spark. For...
  5. Gas Giant

    I think I messed up when I replaced my thermostats - advice sought

    Engine is a '78 Johnson 85HP, 85ML78C. Two weeks ago I replaced the thermostats, the plastic diverters and the springs on this engine, largely due to not knowing when it was last done. (Did the water pump impeller too). The engine hadn't given any indication of overheating, but I don't want...
  6. Gas Giant

    Source for a flywheel nut?

    My flywheel nut has gotten boogered up, partly due to me, and partly due to the previous owner. The engine is a '61 Evinrude Lark III. I haven't had a whole lot of luck with an Internet search, largely because I haven't found a website with a parts diagram for an engine this old - so I don't...
  7. Gas Giant

    1960 Evinrude Lark....anyone have a wiring diagram?

    I don't have a manual for my engine yet, as i just got it yesterday. I was checking if anyone had a schematic or wiring diagram for this engine. It has the electric start setup, and I've somehow confused myself with how its wired up. The diagram inside that little Electric Starting box with...
  8. Gas Giant

    Check those electrical connections!

    This isn't a request for info post; just a post to reiterate how important good electrical connections are. I recently put a '78 85hp Johnson on my Cobia. It started right up at the seller's house, but a week later when I got it on my boat, it would turn over, but wouldn't even sputter...
  9. Gas Giant

    Just picked up a 1960 Evinrude 40hp.....does it need lead additive?

    I just got a 1960 Evinrude 40hp, because it was attached to the 1960 Orlando Clipper I just got. Super cool boat and motor! However, I heard from the seller that I should run lead additive in the gas...but a google search has gotten me mixed results......do I need to add a lead additive to the...
  10. Gas Giant

    What did I buy? It doesn't have a tag anymore!

    I picked up an 85hp Johnson over the weekend. Its old, and dirty, but it fires right up and has excellent compression. It also came with the controls, a gas tank, a fish finder, a transom saver, and some other odds and ends, for an excellent price. I'm going to replace the Force 50 on my boat...
  11. Gas Giant

    Seal won't cooperate, so I destroyed it. Any pointers how to install a new one?

    In my continuing saga to get my boat seaworthy, I am putting a seal kit in my spare lower unit. I had to tear the spare one down because I pulled out the pivot pin accidentally, so I figured I would put a seal kit in while I had it apart. This is the first time I have done this, by the way...
  12. Gas Giant

    Stuck nut....any ideas before I resort to cutting it?

    Today I decided to disassemble my spare lower unit - it became my spare when I accidentally took out the pivot pin. So I decided that I would take it apart to fix the pivot pin, and while I had it apart I'd throw in a new seal kit and a new water pump impeller. All was actually going well...
  13. Gas Giant

    Can't get on a plane....what to do first

    I'm re-posting this one here, mainly because half the posts I got in other areas are basically telling me to get rid of my engine - not a lot of love for our engines out there! Since an engine swap is out of the question for me for the forseeable future, I thought I'd ask in here with other...
  14. Gas Giant

    First test drive - boat won't plane

    I'm not sure if I should put this here or in an engine topic....I apologize if I got it wrong. The boat is a 1988 Cobia 17 foot center console, with a 1988-ish Force 50 motor. The engine starts and runs wonderfully - I just bump the key and it fires. It also has great compression (135 on each...
  15. Gas Giant

    Well, now it won't go into gear. Time to buy a kayak?

    First off, thanks to everyone who helped me get this engine running again. It fires right up with no effort at all. Its a late 80's Force 50. I made plans to take it out on Thursday, even took a vacation day for it, for a friend who is returning from a deployment overseas. I was pretty...
  16. Gas Giant

    Testing a thermoswitch

    Now that my engine runs again, I'm getting ready to hook up an overheat buzzer I got from work to my late 80's Force 50. In order to make sure the system is working correctly, I want to make sure the temp sending unit (apparently called a "thermoswitch" by some parts websites) is actually...
  17. Gas Giant

    No spark now? I'm about to give up

    Well, I think I may be giving up on boating soon. You can only try so much before you have to call it quits. I've been screwing around with this boat for nearly a year now, and I'm tired of it. Ok, here's the story. I have a Force 50 engine, not sure of year but its somewhere in the 1988-92...
  18. Gas Giant

    Well I screwed up. Yanked out my pivot pin. Now what?

    Yup, I screwed up. Despite knowing I should have been on the lookout for it, when I changed my lower unit oil, I took out the pivot pin instead of the drain plug. :mad: The even better part is that I didn't even realize I had done it until right now. And I ran the engine today for about 3-4...
  19. Gas Giant

    Shaft length! I am the world's biggest idiot!

    Well, turns out when I bought my replacement outboard, I forgot to measure the shaft length. I hate being a newbie! The Force 50hp I have now has a longer shaft that my old Suzuki. The Force doesn't have a power tilt setup. So, to correct this problem, would a jack plate, something like...
  20. Gas Giant

    Need some advice....can't find model number and need wiring assistance

    Ok, to start, I bought a great running Force 50hp outboard. Seller said it was an '87, and it has a few US Marine stickers on it. I'm hoping to swap out my dead Suzuki with this engine this weekend and finally, for the first time, be able to use my boat for something other than to mow around...
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