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Accelerator handle with indicator and button | Throttle handle (12-84 V)
25,77 €25,77 € (incl. VAT)× -
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SpeedBox 3.1 for Yamaha (PW-X3, PW-S2)
208,07 € incl. VAT
Speedometer shows true speed: yes
Speed limit deactivation: available
Speed limit: available
Activation: light button / – + – + +
Works with:
PW-X3
PW-S2
Not compatible with:
SpeedBox App
Yamaha UrbanRush
CrossCore
CrossConnect
Wabash
YDX-Torc
YDX-Moro
YDX-Moro Pro
SpeedBox 3.1 is the third generation tuning chip for Yamaha PW-X3 / PW-S2 systems. It allows you to select the speed limit of your electric assist, and the bike’s display will continue to show you the correct data: max/average speed, daily mileage, distance and more.
How it works
- To activate: press LIGHT or ↑↓↓↓ – 99 km/h will appear on the display; from now on, the assistance will work without a limit (or according to the limit you set).
- Switching off: LIGHT or ↑↓↑↓ again – display 25 km/h; OEM limit 25 km/h returns .
- Selecting the limit: switch modes three levels down and three levels up to show the actual limit on the screen. To select the limit, briefly press LIGHT or rotate the rear wheel 360°. The last value is saved after ~5 s of inactivity.
Key benefits
- Real readings on the display even above 25 km/h.
- Quick ON/OFF directly with the controller (LIGHT / ↑↓↑↓).
- Flexible limits – from the standard 25 km/h to “unlimited” (responsibly and where legal).
- Clean installation – Yamaha PW-X3 / PW-S2 adapted.
Compatibility
- Engines: Yamaha PW-X3, Yamaha PW-S2.
- Displays/controllers: models supporting LIGHT or ↑↓↑↓ inputs.
If you’re not sure about your kit, get in touch and we’ll help you check.
Installation
- “Plug-and-play connection to the Yamaha system wiring harness.
- After installation, check the activation and limit change sequences on the display.
Important (right and guarantee)
- Changing the speed limiter is forbidden in public traffic in most countries – use on off-road/private tracks, in accordance with local regulations.
- Tuning may affect the manufacturer’s warranty.
- Higher speeds require the right brakes, tyres and skills.
Specifications
- Model: SpeedBox 3.1 (Yamaha PW-X3 / PW-S2)
- Control: LIGHT button or ↑↓↑↓
- Limit change: 3 down + 3 up (saves after ~5 s)
- Display: correct speed/ride on screen
- Activated status: display 99 km/h ( unlock)
- Off status: display 25 km/h ( OEM)
FAQ
Will it show the actual speed above 25 km/h?
Yes, SpeedBox 3.1 on Yamaha systems maintains the correct display.
Can I change the limit at any time?
Yes – 3 down + 3 up and confirmation with a LIGHT / 360° rear wheel turn.
What if my bike doesn’t have a LIGHT?
Use the ↑↓↓↓ combination to activate/deactivate.
Assembly
When connecting the SpeedBox to your e-bike, you will find colour-coded connectors to make installation very easy. We’ve prepared detailed instructions and videos to make installation easier for you.
If you plan to install SpeedBox on a brand new bike, make sure you have ridden it at least 10 km before the chip is activated.
Full installation details here.
Warning
Please note that the use of this type of modified electric bicycle on public roads may be against the law in some countries. The manufacturer and the seller accept no liability for damage caused by the use of SpeedBox products. “Use of SpeedBox may void your ebike warranty.
We do not recommend updating the e-bike software
If you are updating your e-bike’s firmware, first remove the SpeedBox from the e-bike, update the firmware and reinstall the SpeedBox.