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  1. S

    V4TL-13A Compression Validation

    The Spark plugs are surface gap yes. Also I need a new hydraulic steering system helm/ steering system any suggestions?
  2. S

    V4TL-13A Compression Validation

    I will definitely take a look prior to making that decision good thinking 👍🏼
  3. S

    V4TL-13A Compression Validation

    I will give that engine tuner a try and also I found a brand “Sierra Quality Marine” for gear oil because my bottom end took in water milky white so I know I need to replace gaskets and impeller before taking it out on the water. Also the spark plugs L78V are almost flat compared to anything...
  4. S

    V4TL-13A Compression Validation

    That’s really good information! I will attempt as soon as I can. From those numbers should I replace all four cylinder rings/ pistons and oversized ring/piston for the low compression cylinder ? Otherwise I feel like you support rebuilding the motor, because I’d like to buy a four stroke...
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    V4TL-13A Compression Validation

    Hello, I have a 69' SRV 180 with a Johnson Evrinrude 100hp meteor and this motor as a 2 stroke raises concerns as far as longevity and reliability. This motor has consistent compression of 110psi through out 3 cylinders and the fourth one was at 95 psi. Are those concerning numbers? What would...
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