Exhaust Muffler Cleaning

Hi, I moved this thread to the General Discussion area, as it was out of context in the "Let's Ride" section. Your question requires more data before a reasonably accurate answer could be attempted. Is your engine 2-stroke or 4-stroke, and if it's a 2 stroke, what is your gas to oil ratio? If it's a 4-stroke, are you running rich, lean or somewhere in between?
 
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