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    blue sediment in carburator

    I have a 1999 Yamaha F50 4-stroke, which I have used for three seasons with no problems whatsoever. To winterize, I add a gas additive to the fuel and run the engine dry. I did not until this year realize I could drain each carburator, so likely a small amount of fuel remained each winter. At...
  2. T

    blue sediment in carbs

    I have a 1999 Yamaha F50 4-stroke, which I have used for three seasons with no problems whatsoever. To winterize, I have added a gas additive and run the engine dry prior to putting it up for the winter. I did not until this year realize I could drain the remainder of the fuel from the carbs...
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