Just picked up my "new" Max yesterday, had to ride 145 miles to get her home. More than i'd like to without a thorough going through but everything looks pretty good. will say had some mild backfiring on decel mainly, a little on idle as well. I'm new to Max, so any thoughts would be appreciated.
Probably completely unrelated to yours. But I had this exhaust pooping thing going on that was driving me nuts. Found that I hadn't properly secured the breather hose to the oil filler cap(stage 7 part) and the boot had ripped letting air into that circuit. Trimmed it back and put it on properly, Bam! Fixed.
Sounds like you have some sort of carb issue going on. Shooter cleaning, diaphram inspection for rips, and making certain your intake boots/ box/ pods is all sealed properly is a damn good place to start. Checking the sync would be another.
Good Luck!
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