This Performance Upgrade is calibrated for the 1999-2002 Buell™ X1 or S3 with stock motor, Buell P&A exhaust, and 91+ octane pump gas. The TPS zero position must be set after installation. You can use our shop-friendly CMI Lite tool or ask your local Buell dealer to perform the TPS reset procedure. This calibration is for off-road use only.
How ECM upgrades work
Send us your compatible ECM to be reprogrammed and we'll send your ECM back with this calibration loaded onto it within 7 business days of receiving your ECM. Send your ECM to:
10262 N. 550 West
Decatur, IN 46733