8/06/2026

CGDI K2 Copy Vespa Motorcycle NCF29A1 Smart Key

How to copy a spare Vespa Motorcycle smart key using CGDI K2 key tool without disassembling the immo box.
No need for a vehicle.

 

Modern keyless Vespa models (such as recent GTS 300 and GTV 300 series) use a smart key fob and a physical mechanical/RFID emergency backup instead of a traditional ignition key.

Works on Vespa Leo Smart, Primavera, Sprint, GTS 300CC, LX125/S etc models with NCF29Ax 4A chip. 433MHz.

Requires adding a new or used original key. Add key ONLY. All keys lost is not supported.

CGDI K2 Copy Vespa Motorcycle NCF29A1 Smart Key 1

Procedure:

Disable original key shell.
In CGDI K2, select MCU Programmer function.
Choose key chip type: NCF29A1.
Check wiring diagram.

CGDI K2 Copy Vespa Motorcycle NCF29A1 Smart Key 2

Solder wires to the key circuit board using the cgdi k2 renew cable.

Read and save key chip data.

CGDI K2 Copy Vespa Motorcycle NCF29A1 Smart Key 3

CGDI K2 Copy Vespa Motorcycle NCF29A1 Smart Key 4

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Then disassemble the new/used original key to be cloned.

CGDI K2 Copy Vespa Motorcycle NCF29A1 Smart Key 6

Follow the same wiring diagram to solder renew cable to the key circuit board.

Select Write chip data.

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Choose the original NCF29A1 chip data just saved.

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CGDI K2 also allows you to modify the key ID to match with the original system.

CGDI K2 Copy Vespa Motorcycle NCF29A1 Smart Key 9

Write key successfully. Clone a new key completed.

Reinstall the key shell. The new key is ready to use. Don’t need to be programmed in vehicle afterwards.