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3ym30

  1. Leaks from 3YM30 can bad cutlass cause PSS to drip

    Gear & Maintenance
    I've hauled out and stumped by water that appears directly under the engine bilge. I thought water pump but the face plate is showing no corrosion. I have a PSS dripless shaft seal and know my cutlass is bad. So, I am wondering, does a bad cutlass cause a PSS to drip. Could it still be the...
  2. Clogged Yanmar mixing elbow?

    Diesel
    I have a Yanmar 3GM30F engine with 2,500 hours on it. It starts cold on the first crank and runs like a champ, but I have noticed that recently I can't get it to run at revs higher than 2,700 RPM. I have started eliminating possible problems (air filter, fuel filters) and now I will try...
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