Upgrading a Skyteam-Zhenhua 50cc fuel injection

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Skyteam Euro 4
Posted on Categories Honda Dax

The unlocking of the Skyteam and Zhenhua 50cc electronics is only done via this bluetooth box Read carefully these descriptions before buying: Rojo Bluetooth Box Manual and version 2 ROJO BT

To complete the unlocking you can/should fit these parts:

1- Dax exhaust with lambda sensor

2- Universal air filter in 42mm diameter

3-Since the engine speed will not change (Reminder: ECU in racing mode the power is higher but not the maximum rpm), if you want to gain speed you will also have to change the transmission ratios via either the pinions and the wheel sprocket : larger pinion at the front and/or smaller at the rear.


If you want to go further and fit a 75cc cylinder kit or an 85cc kitaco light or an 88cc TB kit you will ABSOLUTELY have to enrich the carburetion via the Bluetooth module in racing mode.


The Bluetooth module is too complicated for you?

See this solution to remove the injection and switch to carburettor mode also available with a carburettor included in the kit

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