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  1. jimmbo

    New 5.7 issues with old(new) starter

    Was it a USCG certified Marine Starter?
  2. 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.
  3. 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...
  4. jimmbo

    I need help with a 58 super thunderbolt iekhaefer!

    Yes. It will need to be pushed in, then rotated 90 degrees
  5. 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.
  6. 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...
  7. jimmbo

    New 5.7 issues with old(new) starter

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

    What is this gauge?

    Looks like an OMC Gauge for Trim
  9. 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.
  10. 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...
  11. 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
  12. jimmbo

    Merk 15 who needs to buy a new parts

    Certainly unwatchable, as the Camera Operation is far too jumpy and unsteady.
  13. 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
  14. jimmbo

    What oil to use??

    Opti Oil, all Right... I know that BRP's DI Oil, XD100 was also an Amber Colour. Both were pretty much the 2 best Oils to use in DI Engines. I wish they had been Available when I owned a FICHT, might not have went through 2 Powerheads during the Warranty Period.
  15. jimmbo

    Fuel mux for 1960 Evinrude 10HP

    I still remember the Sweet Aroma of burnt TCW Oil. An added Bonus is, it keeps the Skeeters/Horseflies at Bay.
  16. jimmbo

    Fuel mux for 1960 Evinrude 10HP

    50:1 is approx 2% Oil, 24:1 would be 4% oil. So depending how one looks at it, either could be called Richer. A 24:1 mix would be Richer in Oil(double), but 50:1 would actually be a bit Richer in Gasoline, 98% vs. 96% If the engine has any Friction Bearings(Bushing), then 24:1 is the safer Option
  17. jimmbo

    New prop for my boat

    In one sentence he is saying the Dealer told him the Rev Limiter Kicks in at 5800. Then a couple of post later, he is saying the WOT Range is 5500 - 6000. BTW if the WOT is 5500 - 6000, 5800 is not Overpropped, in any way, shape, or form. 5300 would be.
  18. jimmbo

    What oil to use??

    A Problem though, is at the time of Introduction, 25 yrs ago, there were no Oils specific for the DI Engines, and both OMC and Mercury were saying to use TCW-3. As it is well known, the TCW-3 Spec was quite old back in 1998, and all TCW-3 Oils were not the same. There were Rumours about a TCW-4...
  19. jimmbo

    New prop for my boat

    If the Engine was Severely Underpropped, and Rev Limiter was kicking in, there will be gains as higher Pitches are utilized. How much? I won't commit to any Numbers, but we know that those higher Pitches will certainly reduce the Holeshot. Engine Mounting Height on a Pontoon, is more like Voodoo...
  20. jimmbo

    Johnson vs Merc

    Pretty much every OMC Crossflow V4 will break a Piston Ring. There is an Unwritten Law that says they Must, regardless of how it was or wasn't Maintained
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