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  1. #1

    08 & 09 yamaha vx deluxe sputters

    Just bought a 08 and 09 yamaha vx deluxe they have been sitting for a few years both start right up and idle fine but on the water only do about 15 mph then start to sputter sometimes they will do about 35 or 40 mph and other times only does 15 mph anyone know what could be the issue thanks


  2. #2
    Neighborhood Superman SlowStang305's Avatar
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    Spark plugs are shot. Change them out. Also, check the air filter to see if it has oil residue, you may have overfilled the oil at one time.

  3. #3
    Quote Originally Posted by SlowStang305 View Post
    Spark plugs are shot. Change them out. Also, check the air filter to see if it has oil residue, you may have overfilled the oil at one time.
    Agree and also add some fuel injector cleaner to the tank (a heavy dose) --if it was sitting for several years with the same gas in the tank, it likely has some "gummy residue" in the fuel lines and fuel injectors that a good injector cleaner will remove. Techron (available from any auto parts store or walmart) or Yamaha Ring Free (available at any Yamaha dealer) are good brands ( there are others but make sure it's a good one)

    And change the oil and oil filter on both skis as soon as you can--- since you don't know the last time that was done. Should be done at least once a year.

    Once you get those VXs running right, they'll run forever--- good choice!

  4. #4
    Formerly Ultra250 TN Aquaholic6801's Avatar
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    I personally would drain the remaining fuel and fill it with 93 octane and fuel injector cleaner ...Seafoam works wonders.......

  5. #5
    Great advice from all, the Plugs you need are NGK CR9EB and a some good filters would be a HF 303 or a K&N 303, good luck ...

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