Buell 1125 CR RT-4
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Buell 1125 CR RT-4

Designed in house and calibrated with a matched ecm, average HP gain is +14 over stock

Fits Buell 1125 CR  models. ECM is calibrated for an 1125 CR.


Highest HP output to date was at the Buell/EBR factory on their dyno at 143.1 hp.


Everything here is hand fabricated in house, there is a short lead time of 2 to possibly 6 weeks to build as all systems are built to order.  

The ECM is NOT included in this price unless you add it as an option.

  • $975.00
Out of stock

For DDFI­3 and DVCS only (2008 and later Buell and all EBR products):

1. Begin with the ignition key off, run/stop switch in “Run” position, and throttleclosed.

2. Turn the ignition key onÍž do not start the motorcycle.

3. After at least one second, hold the throttle fully open for one second.

4. Release the throttle and allow it to snap closed.

5. After at least one second, hold the throttle fully open for one second.

6. Release the throttle and allow it to snap closed.

7. After at least one second, hold the throttle fully open for one second.

8. Release the throttle and allow it to snap closed.This completes the TPS zero process. At this point, you can turn off the ignition or start the motorcycle.

    • Weight
      14 lbs
    • SKU
      10000000055