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Old 01-19-2013, 02:26 PM   #94
aiMhi OP
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Joined: Sep 2010
Location: SODE- Colorado
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You are correct that Zinc can reach toxic levels for high tech catalyctic converters especially the ones designed for cars that are made to last 150K miles, not so much for bikes. I don't know what you ride but the oil is certified to conform to JASO MA-2 API SL so check your manual and go from there.

I agree this discussion got a bit Zinc crazy but it is all about having a balanced additive package and staying within the manufacturers specifications.
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