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01-02-2016 08:23 AM #1
As the above question asks,
To me it sounds like a little back pressure as it comes off throttle, it doesn't mean a bad thing. However, my old ears hear a slight rattle at reversion. Thus the suggestion to check for a loose baffle and/or small exhaust leak, both of which are easy to do.
Not trying to be funny, certainly no disrespect intended, and it may just be harmonics as suggested...
And then a newer model....
Montana Mail Runner