About rpmlimiter

We offer a simple 12v rpm limiter switch designed specifically for 50cc scooters to keep your engine running safely.

Easy Installation

Reliable Performance

Our module is a standalone device that doesn’t alter your scooter’s factory electronics, ensuring dependable rpm control.

The RPM limiter is connected using three wires.
The white wire must be connected to a constant +12V power supply.
The red wire is connected to the positive wire of the ignition coil.
The black wire must be securely connected to ground (vehicle chassis or battery negative).

A wiring diagram is included with the product to assist with correct installation.
Ensure all connections are properly insulated and securely fastened. Installation must be carried out by a qualified person with knowledge of scooter electrical systems.