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  1. #1

    Oil with water 4tec 155

    Hi everybody.
    I bought a GTX 4tec '02 155hp that dont start.

    I found that have oil with water (no too much) but I removed cooling water and is totally clean so I think is not a head gasket problem or oil cooler problem
    But I found a problem with engine-axle pump. Carbon ring was destroit so... is possible that oil and water was mixed in PTO ??
    The previous owner told me that pwc didn't sink and I think the same because really the engine don't have salt and engine is turning after 3 years

    Some advices?? I never rebuild 4tec engine just 2 strokes models so I don't know how they work.

    Thank you in advance


  2. #2
    DR2006RXP's Avatar
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    Oil with water 4tec 155

    Water got in some how and the fact the carbon ring is bad leads me in the direction the unit possibly took in water at some point and it did Make it into the intake manifold , if it went down In fresh water and in some cases even in salt water if you rinse it the same day and use XPS you could hardly tell it sunk/took on water .

    Do a boil out the carbon ring is
    Done so you can just boil the water out .

  3. #3

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    That year motor had a problem with crankshaft, they were very weak and would break. They updated them in 2003 and up. So don't be surprised if your crank could be broke.

  4. #4
    Quote Originally Posted by Turboted View Post
    That year motor had a problem with crankshaft, they were very weak and would break. They updated them in 2003 and up. So don't be surprised if your crank could be broke.

    Where did they usually break?

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