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  1. 2

    1974 OMC 15hp Manifold Bolts

    Does anyone know the proper hole configuration for the manifold bolts? Part #0306409 and #0306418 are listed on the 80's diagram, 5 long bolts and one short. Does anyone know which hole the short one goes in? The diagram doesn't show it, and I tried a long one in each hole and was able to get...
  2. 2

    Ultra portable outboard purchase, 2 or 4 stroke?

    Hi all- I realize this will always be a huge debate, but I'd like to concentrate on very small outboards (3.5 hp and under). I need to purchase a small outboard for my dinghy (8ft Achilles soft-tail) that will primarily be stored on the railing of my sailboat and used while cruising. I have a...
  3. 2

    OMC 15hp Running on one cylinder

    Hi All- I am stumped on this one and looking for ideas. My bottom cylinder is not working. Here is the background: 1974 Evinrude 15hp. I purchased used (it was running, not well though). I did the following: Converted from Long to short shaft New impeller New Coils New Plugs New T-Stat...
  4. 2

    Yamaha 8hp 2 stroke bogging/surging above 3/4 throttle

    I got this motor last year, I have done a bit of work but am still having an issue with top end power. When I have the motor on the muffs/bucket it starts on one pull and idles perfect. Once in the water on the zodiac, the motor will run fine as i throttle up to WOT and then after around 20...
  5. 2

    1981/83? Evinrude 115 Spark Plug Wires

    Hi all- new here. I have a 1981 or 83 (not sure) Evinrude 115 V4, bought rebuilt this year. Recently, the motor does not like to run with the cowling on. I removed the pouch holding the ripcord and it ran fine. Had to remove the cowling the other day and when i replaced it i am getting...
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