Originally Posted by
buell-fan
The engines in these machines are a touch sensitive to abnormal fueling and spark due to the high compression and are already ran fairly lean with the stock tune, so stick with an IDS tune without trying to supplement it. There have been a few bikes that blew up recently, with the most recent being the victim of being ran too lean with a small single outlet exhaust can and being fueled by the stock fuel and spark map. The EBR team and IDS have created several appropriate and powerful tunes for various exhaust configurations and they should be used accordingly.