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  1. Yakozan

    Think your synth oil is really synth?

    Found it on NS.com posted by "elfenstar" real good info. http://motorcycleinfo.calsci.com/Oils1.htm "Your piston rings do not do a perfect job of sealing. Some combustion by products will slip past the rings into the engine. This can be little particles of carbon. Remember, diamond is carbon...
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