Question about 2003 Suzuki RM 125

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Assuming little Johnny did not pour oil in the crank when no one was looking, you must figure that there is a bad seal on the case halves. Did you fail to use a liquid gasket when assembling the case halves? Dirt on a surface? Did you not put in new crank seals?

If able, can you " burn out" Johnny's oil by riding all day? Does more oil get in the crank? If Johnny is not the culprit then the engine will need to be torn down. The need is to find the sealing problem and then fix it.

Please rate this solution. Thanks clarkbd!

Posted on Apr 20, 2009


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