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2001 Yamaha 50hp 4 stroke compression???

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  • 2001 Yamaha 50hp 4 stroke compression???

    Guys,

    Can any body tell me what the compression should be on a 2001 50hp 4 stroke yamaha outboard? Just wondering before we do our compression check? Thanks


  • #2
    Re: 2001 Yamaha 50hp 4 stroke compression???

    10% of each other

    around 90psi
    HUMAN BUILT = HUMAN FIXED
    CERTIFIED MARINE TECH

    Comment



    • #3
      Re: 2001 Yamaha 50hp 4 stroke compression???

      can some one help i need to purchase a 150 4 stroke engine to go on a trophy bayliner yamaha or suzuki

      Comment



      • #4
        Re: 2001 Yamaha 50hp 4 stroke compression???

        Hi Its me again can someone help me out regarding performance of a yamaha150 4 stroke and a suzuki 150or 175 hp 4 stroke ,one of these has to go on a trophy bayliner for fishing appreciate some help

        Comment



        • #5
          Re: 2001 Yamaha 50hp 4 stroke compression???

          Originally posted by JUSTINTIME View Post
          10% of each other

          around 90psi

          i have one that has 120, 90, 90.

          runs very rough, any suggestions???

          Comment



          • #6
            Sign up today
            Re: 2001 Yamaha 50hp 4 stroke compression???

            de carb the motor first
            HUMAN BUILT = HUMAN FIXED
            CERTIFIED MARINE TECH

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