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    please help me with the knocking sound inside the engine

    Re: please help me with the knocking sound inside the engine Quick update. I found the problem after tearing the engine apart. It is the #4 cylinder corrosion issue. the corrosion is so bad, the valve actually broke and damage the cylinder as well. So I think I need to replace the whole...
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    please help me with the knocking sound inside the engine

    Re: please help me with the knocking sound inside the engine So I torn down the main bearings and found scratches on it and very deep cuts as you can see. Might it be the problem guys? do I need to polish the crankshaft? Also, how do I remove the pulley key and the pulley from the...
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    please help me with the knocking sound inside the engine

    hello folks, this is my problem, I rode my boat and when I suddenly speed up, I hear the knocking sound inside the engine really lound, I was really worry and shut down the engine and let the police pull us to the launch. and I tear down the engine, I saw the scratch like a letter inside the...
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