Lab Reports

Technical analysis, ECU data, and engineering findings.

Why EFI Motorcycles Bog on Throttle Snaps — and Why Your Fuel Tuner Can't Fix It

The throttle bog is the most common EFI complaint. Most riders blame the factory map. The deeper truth: every piggyback tuner has a blind spot exactly where you snap the throttle — here's the physics, and the fix.

KLX250/300 Fuel Controller Options Compared

EJK, PCFC, BDSB reflash, JDM ECU, and TuneFI — what each one actually does, what it can't do, and when it makes sense.

KLX300 Ignition Timing: The Power Cliff at 8000 RPM

We decoded the KLX300 ECU ignition map. Kawasaki retards ignition by 6° at full throttle above 8500 RPM — costing 2 HP. At 80% throttle, timing stays fully advanced.