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I have a Murray riding lawn mower Model 425600x8A. Recently, my son and I were using it to mow on a hill when it starting putting out a thick white cloud of smoke. We shut the engine off and let it cool down. Later, it did start up and run again without smoking and we finished mowing. My questions, what casued this to happen? What do I need to check for damage? How do I keep this from happening again?

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The oil entered the cyliders when the mower was tipped at a severe angle. It will clear out after you run it for awhile. Check the oil level to make sure it is full. It could even be overfull and this is what caused the smoke. If it starts to run badly, check the spark plug or plugs. They could get "fouled" from the oil. Change the if the are black or covered with oil. It shouldn't have done any damage to the engine.

Posted on Jun 24, 2009

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