The Hardware
From basic DT connectors for diagnostics to professional-grade Bosch wideband O2 sensors for precision tuning.

MotoTunePro USA DT Connector Kit
Professional-grade Deutsche DT-series adapters designed specifically for Buell motorcycles. Choose the 4-pin connector for XB-series bikes or the 6-pin for 1125-series. IP67 sealed for protection against dust, water, and garage fluids.
| Connector Type | Deutsche DT04-4P / DT04-6P |
| Sealing Rating | IP67 (dust & waterproof) |
| Contacts | Gold-plated brass |
| Housing | Anodized aluminum |
| Cable | Braided nylon, 1.5m length |
| Chipset | FTDI FT232RL + Bluetooth 5.0 LE |
| Protocol | Buell DDFI-III / DDFI-16 |
| Power | Bus-powered from ECU |

Bosch Wideband O2 Sensor Kit
2x Bosch LSU 4.9 wideband O2 sensors with plug-and-play wiring harnesses. Real-time AFR monitoring and auto-tune fuel maps based on actual air/fuel ratio data. The most accurate way to dial in your tune.
| Sensor Type | Bosch LSU 4.9 wideband O2 |
| Channels | Dual (2 sensors included) |
| AFR Range | 8.0 to 20.0 AFR |
| Accuracy | +/- 0.1 AFR |
| Response Time | < 150ms |
| Harness | Plug-and-play, shielded |
| Compatibility | All Buell DDFI models |
| Warranty | 1 year (replacement for active subs) |
Buell Model Compatibility
MotoTunePro USA supports all Buell models using the DDFI ECU system. Select the correct connector based on your bike:
| Model | Years | Connector |
|---|---|---|
| XB9R Firebolt | 2002-2007 | 4-pin DT |
| XB9S Lightning | 2003-2004 | 4-pin DT |
| XB12R Firebolt | 2004-2007 | 4-pin DT |
| XB12S Lightning | 2004-2007 | 4-pin DT |
| XB12X Ulysses | 2006-2009 | 4-pin DT |
| XB12Scg | 2005-2009 | 4-pin DT |
| 1125R | 2008-2009 | 6-pin DT |
| 1125CR | 2009 | 6-pin DT |
What's in the DT Kit
- MotoTunePro USA DT Connector (4-pin or 6-pin)
- Quick Start Guide for Buell DDFI
- MotoTunePro USA Sticker Pack
- Zippered Carry Pouch
What's in the O2 Kit
- 2x Bosch LSU 4.9 wideband O2 sensors
- 2x Plug-and-play wiring harnesses
- Installation guide for Buell models
- Sensor port adapter (if needed)
Built to Last
Every connector is CNC-machined from 6061 aluminum, hard-anodized for corrosion resistance, and assembled with genuine Deutsch DT components. Bosch sensors are the industry standard for wideband O2 monitoring. Tested to withstand vibration, temperature extremes, and the occasional garage drop.
Get Notified When Available
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