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RC51 ECU Conversion – Project Overview

This section of the documentation covers the complete process of converting a Honda RC51 to run on a modern aftermarket ECU. The goal is to provide a clear, technically accurate reference for anyone attempting a similar build — whether on an RC51 or another platform.

This project is actively evolving as testing, validation, and refinement continue. Pages in this section will be updated as new information becomes available.

🔧 Current Project Status​

ECU Selected: FuelTech FT550
Harness: Completed, in testing phase
Sensors: OEM + upgraded pressure and wideband systems
Documentation: Ongoing documentation

What’s Completed​

  • ECU selection and initial bench testing
  • Component list and compatibility research
  • Preliminary harness layout
  • Sensor mapping and wiring strategy
  • Documentation structure and migration

In Progress​

  • tuning
  • troubleshooting
  • reliability testing

Upcoming Work​

  • Full system validation on the bike
  • Tuning workflow documentation
  • Troubleshooting and diagnostics section

📘 What You’ll Find in This Section​

This documentation walks through the entire ECU conversion process, including:

  • Introduction & Scope
  • Project Planning
  • Component Selection
  • Supporting Electronics
  • Harness Design
  • Software Tools
  • Testing & Validation

Each topic is broken down into focused, practical guides designed to help you replicate or adapt this build.

💬 Feedback & Contributions​

If you spot errors, want clarification, or have suggestions for improving the documentation, feel free to reach out at admin@hondarc51.com. This is a living project, and community input helps make it better.