Piaggio BV 500 and X9 500 Key Replacement

Quick answerPiaggio's 500cc maxi scooters of the 2000s both use the immobilizer with a red-handgrip master key and a black key for riding. A new key has to be cut and then stored in the scooter's memory. On these older machines the master key is often missing, so say which keys you still have when you call.

Piaggio BV 500 and X9 500 key quick facts

The X9 Evolution 500 and Beverly 500 manuals both describe a red-handgrip MASTER key, supplied as a single copy, and one black key for normal use.
The black key is listed for engine start-up and for opening the glove box.
A CODE CARD imprinted with the mechanical code of the keys came with both scooters.
The X9 Evolution 500 manual says up to seven keys can be stored, and the Beverly 500 manual allows a maximum of seven black keys.
The X9 also has a saddle opening remote control, which takes CR1616 batteries.

Piaggio BV 500 and X9 500 key types by year

Years	Models	Key type	Chip	Notes
2000s	Piaggio X9 Evolution 500 (X9 500)	red master key plus black transponder key	yes	Up to seven keys stored. The manual has the red key and all black keys taken to a Piaggio service centre when keys are added. Saddle opening remote control supplied.
2000s	Piaggio Beverly 500 (BV 500)	red master key plus black transponder key	yes	A maximum of seven black keys can be programmed, in a sequence that starts with the red key. The saddle has its own opening button.

Red key, black key

Piaggio changed its key colours several times, and on the big singles of this era the pairing is red and black. The red-handgrip key is the master. Only one was supplied, it is needed to program every other key and for some dealer maintenance, and both manuals advise using it only in exceptional circumstances. The black key is the working key.

The immobilizer arms itself when the key is taken out. At start-up it reads the key and lets the engine run only if it knows the code. On the X9 the manual's storing sequence begins with the red key, moves to each black key within ten seconds, and ends with the red key again. Up to seven keys can be held in memory.

Need a key for your Piaggio BV 500?

Call or text with the year and where the bike is parked.

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Saddle and glove box on the 500s

Both manuals have a section on a saddle opening button, and the X9 adds a saddle opening remote control. The X9 manual says the remote is working properly if its green LED lights when the button is pressed, and that a shorter range means the batteries need replacing.

The glove box is opened with the black key. That is worth knowing if a previous owner gave you only the red master: it will start the scooter, but it was never meant to be the key you carry.

Ways owners of an older maxi scooter get stuck

The scooter was bought with one black key and nobody knows where the red key went
The saddle button does nothing because the main battery is flat, with the documents and tools shut inside
The X9 remote has stopped working and needs its CR1616 cells replaced
The key has been dropped or damaged and the scooter no longer recognises it

Replacing a lost key

If the red master is still with the scooter, a new black key is cut and stored together with your existing keys. Bring all of them, because that is how the system is designed: every key is presented in the same session. If you have a black key but no master, a duplicate can usually still be made from the working key. With nothing at all, the work goes beyond the lock into the immobilizer control unit, and on a scooter of this age we will check the condition of the ignition switch too.

Proof of ownership is photo ID plus the registration or title.

Where to find the key code

Both manuals say a CODE CARD imprinted with the mechanical code of the keys is supplied with them. It belongs with the red master key, stored away from the scooter. Check the document wallet and any dealer folder that came with the bike.

What to have ready

Have this ready when you call or text

Year, make and model of the bike
Where the bike is parked
Whether you have any working key, a broken key or a key code
Photo ID and registration or title (we verify ownership before making a key)

Piaggio BV 500 and X9 500 key FAQ

What colour is the master key on a BV 500?

Red. The Beverly 500 manual calls the red-handgrip key the MASTER key and the black key the one for normal use.

How many keys can an X9 500 store?

The X9 Evolution 500 manual says up to seven keys can be stored, in a sequence that starts and ends with the red key.

Why won't my X9 remote open the saddle?

Press the button and watch the remote's green LED. If it does not light, or the range has become short, replace the CR1616 batteries. A replacement remote has to be programmed to the scooter.

Is the BV 250 covered here too?

The BV 250 uses the same red and black key arrangement, and it is covered on our Piaggio Liberty and BV page.

The immobilizer system on this bike

Piaggio Immobilizer: Vespa Master Keys and Lost KeysThe Piaggio immobilizer on Vespa and Piaggio scooters uses one master key, with a red or brown grip, and blue or black keys for daily riding.

More Vespa and Piaggio models

Services for this bike

Lost Motorcycle Master Key, Code Card or Key Tag: What ChangesA master key, code card or master PIN is the item the maker uses to authorize new keys for your bike.
Motorcycle Key Turns but the Bike Won't Start: Key or Not?Watch the immobilizer or key light in the first seconds after you switch on.
Scooter Seat and Storage Locks: How They Open and FailScooters open the seat in one of three basic ways: a separate seat lock that takes the ignition key, a seat position on the ignition switch, or an electric button or keyless fob.
Ducati Asking for a PIN Code or Showing an E-LOCK ErrorA Ducati that opens a PIN screen at switch-on is telling you the key was not acknowledged and that a PIN was stored on the bike at some point.

Where we come to you

Sources

Page last updated November 14, 2026.