The KuKirin G4 controller is the brain of your electric scooter. It manages acceleration, braking, lights, and communication between the throttle, motor, and battery. If your scooter experiences sudden cut-offs, irregular acceleration, or error codes, the controller might be failing. In other cases, Riders may want to replace it to solve performance issues or after water damage.

Replacing the KuKirin G4 controller is a precise task but manageable with the right guidance. That’s exactly what we provide here.

KuKirin G4 Controller Replacement: Step-by-Step Video Tutorial

To make your repair process as smooth as possible, we’ve found a complete tutorial created by a Rider from our community. The video shows every step needed to replace the KuKirin G4 controller safely. From opening the deck to unplugging the wiring harness and reinstalling the new unit, follow it closely to avoid errors.

Where to Buy the KuKirin G4 Controller

If you need to buy a replacement, we recommend getting the original KuKirin G4 controller to ensure compatibility and performance. The most trusted seller, validated by the community, is available on AliExpress.

We strongly advise against using generic or non-original controllers that may not match your scooter’s firmware or wiring layout. Stick to the models listed as compatible with the 2024 or 2025 version of the G4.

Explore More KuKirin G4 Parts

Looking to upgrade or repair your KuKirin G4? From tires to brakes, rear lights to displays, our community regularly tests and approves parts to ensure reliable performance. Visit our complete parts guide to keep your scooter in top shape and ride with peace of mind.