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  1. jimmbo

    Johnson 50 hp. How to determine model and year

    It is 2004 or newer. Can any numbers be read off the Sticker that says MOD No.? That number on the Disk is likely the Serial #. You could contact Bombardier and run it past them Perhaps someone can recognize the Cowl Decal... Then you will have an Idea what year the Cowl is.
  2. jimmbo

    Intermittent Start - Starflite 75

    Are you advancing the Throttle off idle when trying to start in the Water?
  3. jimmbo

    Lower end 2003 75 hp Mercury

    Try twisting the Flywheel as you install the Case
  4. jimmbo

    Volvo penta 4.3 running rich

    Good Catch, I forgot about that nugget. Or a pinhole leak in the Diaphragm
  5. jimmbo

    Johnson 140 Sputters at Full Throttle

    Seems awfully slow at Accelerating, or are you just slowing pushing the lever? What are the Compression Numbers? Does it has a Spark strong enough to jump a 3/8" gap at ally Cylinders? Are all the Carbs getting Fuel and are Clean Is the Timing set to spec, and the Carbs synced to each other and...
  6. jimmbo

    I need help with a 58 super thunderbolt iekhaefer!

    It is likely a 1955 through 58 model 55 25hp 56 30hp 57 an 58 35hp My dad had a 1957 35hp Electric Start. What is the model # http://www.fiberglassics.com/library/images/a/a7/Evinrudeservice002.pdf
  7. jimmbo

    I need help with a 58 super thunderbolt iekhaefer!

    They use 4 small Cylinders, not difficult to Rope Start. Even the 6s were easy to pull start. I used to rope start my 84 115(it had bigger Pistons and a longer Stroke) all the time cause I was too cheap to buy a new Battery. On a cold engine it took only 2 or 3 pulls to get it running.
  8. jimmbo

    New 5.7 issues with old(new) starter

    Was it a USCG certified Marine Starter?
  9. jimmbo

    I need help with a 58 super thunderbolt iekhaefer!

    Fall of 97. Well that was 26 yrs ago. Can the engine be rotated by hand? My main Concern would be the condition of the Crankshaft and Connecting Rod Bearings, having sat that long. Unfortunately the Only Way to inspect them is to split the Crankcase.
  10. jimmbo

    I need help with a 58 super thunderbolt iekhaefer!

    Yes it is a 2 stroke, so oil has to be mixed in the Gas. Pure Gas? Do you mean Gas without that Nonsense Alcohol in it? You need to check a few things on it before you try running it. Once you get the Cover off, check the Wiring. Odds are that all the Insulation has cracked/fallen off(Merc...
  11. jimmbo

    I need help with a 58 super thunderbolt iekhaefer!

    Yes. It will need to be pushed in, then rotated 90 degrees
  12. jimmbo

    Mariner 45hp Carburetor Leaking after Total Rebuild....stumped!

    Try swapping Plug wire, if the Intermittent spark follows the Wire then that tells you something. If it remains, try swapping a Coil... Check the Plug for any sign of Cracks in the Insulator, or Carbon Tracks on it.
  13. jimmbo

    I need help with a 58 super thunderbolt iekhaefer!

    The motor is either a 1958 or 59, depending if it is a 58 or 58A You can search through the various brands of Boats shown on this site.... http://www.fiberglassics.com/library/index.php?title=Main_Page Here is a link for some service info on the Motor on that site too...
  14. jimmbo

    New 5.7 issues with old(new) starter

    Just out of Curiosity, where was the Starter bought?
  15. jimmbo

    What is this gauge?

    Looks like an OMC Gauge for Trim
  16. jimmbo

    repair entire floor of aluminum boat

    Depends on what the Labour Rate is and the Materials required/used. Unless you want to take a Chance with someone who says 'Oh Yeah, I can do that, No Sweat...." you should contact a few Dealers who offer that kind of work. Beware though if they say 'Oh yeah, my brother in law does that on the side.
  17. jimmbo

    Volvo penta 4.3 running rich

    You adjusted the Float Height. Is it set to spec? Holley quite often use hollow brass Floats, which occasionally develop pinhole leaks and gas gets inside. Shaking them usually reveals gas inside. You say the Compression Test shows 175, did each cylinder take about the same number of rotations...
  18. jimmbo

    Merc 4.0 1970 or 71 no spark

    You are correct. My confusion came about because 72 was when Merc no longer offered Remote Control on the 4 hp. Anyway. The Ignition Coil Part # for that Serail #, is 336-4409A 4
  19. jimmbo

    Merk 15 who needs to buy a new parts

    Certainly unwatchable, as the Camera Operation is far too jumpy and unsteady.
  20. jimmbo

    Merc 4.0 1970 or 71 no spark

    The 4hp didn't come out until 1972. A serial # would certainly help locating the correct Parts List
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