You don't have to tell him twice! Haha, just kidding and really good advice Barrett
Glad the muffler clamp worked well for ya 'Cruza, happy to help. I can't imagine how a rubber scorpion ended up in the package?? Surely no one I know would be so mean!
If you don't find the cause going through Barretts good suggestions then check how your ECM is fueling the bike. Putting a stock muffler in place of a aftermarket will usually result is a slightly rich mixture
If the slight stutter comes with small throttle inputs (still in closed loop):
The ECM needs time to be in close loop long enough to adjust the AFV. It
might smooth out after some miles.
If the stutter comes with more aggressive inputs (open loop):
You may want to get and install a stock Buell fuel map, or a race map meant for a stock muffler.
Just spitballing, but stick with it. Theres no reason why you can't have a perfectly running Buell
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