Yamaha BadassBox Typ3.4

The Yamaha BadassBox Typ3.4 speed tuning kit by badassebikes is designed to increase the speed of your Yamaha powered electric bikes. 

Installation is fast and simple. Simply slide the speed tuning kit over the Yamaha rear wheel speed sensor on the bike and secure with the supplied rubber ring. Once affixed re-position the sensor magnet located on the spoke and slide towards the end of the tuning kit box.

The optional support bracket is designed for applications where the spacing between the Yamaha BadassBox Typ3.4 is too tight which causes the unit to touch the spokes. Using the adaptor will increase the distance between the Yamaha BadassBox Typ3.4 and the spokes.

Yamaha Ebike Speed Increase

The Yamaha BadassBox Typ3.4 speed tuning kit allows the badassebikes Chiptuning Box Typ3.4 to halve the transmitted speed once 18 km/h has been achieved. Steady assisted support is now provided to over 50 km/h in speed.

Powering the speed chip is a standard CR2 battery, which provides an operational distance of approx. 5000 km keeping maintenance at a minimum. Once the bike stops the built in microprocessor switches on and off automatically to optimize battery life.

Removing the Yamaha speed increase kit is easy, simply remove the rubber ring and re-positioning the spoke magnet to the original position in front he the Yamaha speed sensor and allows the bike to return back to it's legal classification.



  • The Yamaha ebike speed tuning kit must not be used on public roads or in areas that do not permit such a device to be used and permit the bike to go faster than legally permitted to!
  • Use is restricted to private property or for competition / testing purposes on non publicly owned land.
  • The installation of the speed tuning kit may lead to loss of warranty of the bicycle.
  • The use of the Yamaha Ebike Speed Tuning Kit is for use at your own risk. Warning, risk of injury.
  • The reseller and manufacturer assumes no liability for any damage to property and / or injury to persons caused by improper use of this product and is entirely at the riders / owners own risk.

Contact one of our Yamaha ebike experts with any questions you have about the Yamaha BadassBox Typ3.4 speed tuning kit.

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