How to Remove ECU Speed Limit on EFI Motorcycles?

1 Answers
NicoleLee
07/30/25 5:43am
To remove the ECU speed limit on an EFI motorcycle, follow these steps without turning on the power: Hold the brake lever, turn the throttle to its maximum position, then immediately turn on the power. While continuing to hold the brake lever, fully twist the throttle to its maximum position three times consecutively. On the third twist, maintain the throttle at its maximum position for 5 to 8 seconds to successfully unlock the speed limit. Below is a detailed introduction to the ECU: 1. Name: Electronic Control Unit. 2. Components: Consists of a microprocessor (MCU), memory (ROM, RAM), input/output interfaces (I/O), analog-to-digital converter (A/D), as well as shaping, driving circuits, and other large-scale integrated circuits.
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