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2000 Yamaha 60hp 4 stroke

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  • 2000 Yamaha 60hp 4 stroke

    ut in Yamaha lube (Ring Free) as shock treatment. Have run engine for 9 hours, still running rough, smoking profusely, and surging. Is this normal?

  • #2
    well, there are some things for which a "Ring Free Shock treatment" may help -
    but there are many problems for which it can do nothing.

    If your problem is one that can't be helped by a "Shock Treatment"....

    I didn't know Yamaha was making an F60 as early as 2000 model.
    Seems a safe bet its got a carburetor - or four.

    Think those are on the list of "don't expect a miracle cure from Ring Free"

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    • #3
      Plus 1 ^^. RF can only do so much.

      Per the parts site here, they made four, 4 stroke models, all carbureted (three carbs):
      https://www.boats.net/catalog/yamaha...lry/carburetor

      And no, EXCESSIVE smoking is not normal. Even a shock mix of RF won't smoke nearly what your describing...


      I gather the smoke is bluish (which would be oil burning).

      Time to pull spark plugs, inspect, a compression test and a leak down test as well should give you some answers..



      Sounds as if your rings / block are worn causing excessive oil burning/plugs fouling, etc.


      Is your oil level normal or dropping with use? How many hours on the engine and is the engine "new" to you?
      Scott
      1997 Angler 204, Center Console powered by a 2006 Yamaha F150TXR

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      • #4
        is the motor making oil and over full of oil?

        motor could suck extra oil thru a bad valve guide seal or by a bad oil ring also

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