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  1. 1

    No Spark ? 1988 454 330hp Mercruiser Thunderbolt

    Hello, Well after my 22' 1988 Boston Whaler Temptation with a Mercruiser 454 BBC 330 hp Carburated , generation 4 , ThunderBolt ignition had just died out in the harbor, I pulled it out and I am working on it in the driveway. I seem to have lost spark, when I push the throttle I do see gas...
  2. 1

    Looking at a used boat with a V8 Johnson, ?

    I just reserching pros and cons on what experts think of the old V8 outboards, 250 & 300 HP Johnsons. Since they do not make them any more I thought I would ask here if I should be concerned about it or not. 6 out of the 8 Cyl. are around 130 - 135 PSI compression and two are 100 - 110 PSI. so...
  3. 1

    1977 55hp Evinrude is bogging down at high RPMs ?

    Hello, Just thought I'ld ask for some direction here on the 1977 55 hp Evinrude on my sons 14' McKee craft. I had put a new 17" pitch prop on it when it first hit the water a few weeks ago and it rauns good up to 33 mph at 3/4 WOT but try and push it to wide open and it boggs down and you have...
  4. 1

    battery not being charged, 1977 Evinrude 55 hp

    Hello, Last night the battery ran down while cruising around with the navigation and dash lights on. It would not start again after I tied up. I jumped it and the lights would brighten as RPMs RPMs went up but when I put a amp meter between the positive post and the positive cable I got zero...
  5. 1

    Can I swap a 1984 50 hp powerhead with a 1977 55hp ?

    Hello, Just checking to see if I can interchange these blocks for a quick fix. Will a 1984 Johnson 50hp power head be mounted on a 1977 55hp Evinrude easy enough all dress with the 1977 coils, power pack and carbs to turn it into a 55hp power head ? I'm assumeing that the 40's, 50's, 55's &...
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