sIMPLEk for Yamaha
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siMPLEk for Yamaha
This is a very reasonably priced tuning solution for E Bikes with Yamaha engines. With sIMPLEk you can completely cancel the 25 km/h (or 45 km/h) speed limit of your Yamaha drive system. Please note, however, that sIMPLEk is a kit which you have to assemble yourself before use, e. g. with the help of a soldering iron. So this tuning tool requires a little bit of skill and DIY arts, which can also be fun!
If the sIMPLEk tuning is active, the current speed remains visible on the speedometer, but it is represented by the second digit and the decimal place of the speed display. This means that if your Yamaha display shows a speed of 10.0 km/h, the actual speed is 0 km/h. If the display shows (e. g.) 14.5 km/h, the real speed is actually 45 km/h, etc.
Maximum speed, distance kilometres and total kilometres, on the other hand, are displayed correctly - but these parameters are only adjusted after approx. 1 minute of standstill.
If you have installed sIMPLEk for the first time, a calibration must be carried out once in order to display the actual speed.
The sIMPLEk Tuning Tuning Tool has 3 operating modes:
- 1:1 mode (E Bike behaves like in its original condition)
- Tuning mode (practically unlimited motor support, theoretically up to 100 km/h)
- Calibration mode
In the standard configuration the E Bike always starts with tuning switched off (1:1 mode).
To switch from one mode to the other, you have to switch off the E Bike within 10 seconds after starting in the respective mode. Wait 5 seconds and switch the electric bike on again immediately - then it will automatically switch to the next mode.
Tip: When soldering the sIMPLEk Tuning Tool together, you can bridge a certain connection ("J1") on the board, so that the tuning mode is always activated as soon as you switch on the E Bike (1:1 mode is omitted).
Made in Germany.
sIMPLEk for Yamaha - Compatibility
Yamaha E Bike mid mounted motors from 2014 onwards (PW, PW-SE, PW-X)
As already mentioned, the sIMPLEk Tuning Tool is supplied in the form of a kit consisting of 5 individual parts (board, microcontroller, capacitor, diode, industrial connector). According to the manufacturer's instructions, assembly should only be carried out by a qualified person, taking into account the applicable standards and regulations.
Of course, it is also possible to assemble the tuning kit yourself with the help of a soldering iron; the assembly itself is simple and should not be a problem for people with a little bit of mechanical skills. However, we do not accept any responsibility or liability for possible damages and errors that may occur during assembly or soldering.
To install the sIMPLEk Tuning Tool, first remove the motor cover. Then some fastening screws must be removed so that the motor can be swung out of the frame and the relevant plug connections can be seen. Disconnect the plug of the speed sensor. After that, sIMPLEk simply has to be switched between the Yamaha engine and the speed sensor. After its installation, the sIMPLEk tuning tool is not visible from the outside.
A detailed assembly and installation instruction can be found "here".