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  1. M

    Upgrade from 60 to 70 HP?

    I have a 2005 Yamaha 60 HP 4 stroke outboard that was on the 16.5 Lund boat I purchased two years ago.The max horsepower for the boat is 75 HP. So far the motor runs perfectly, never let me down once. However it is 15 years old and I don't really know much about the history or the number of...
  2. M

    What do you think about the Chev 3.8 L engine

    I'm looking to purchase 1980's 19' Rinker with a 3.8Litre V6 OMC Chev motor. The mechanic at the marina where I go said to stay away from that model engine, nothing but trouble. Said the OMC drive wasn't very reliable as well. He claims it was a very "short run" and then they used the 4.3...
  3. M

    Convert 9.9 HP to 15 HP

    I have a 1992 Johnson 9.9 HP. I have been told by several people that I can convert it to a 15 HP by simply changing the carb jets? Is this all there is to it, or do I need to change the entire carb. What about exhaust and plugs etc? thanks mike
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