Vespa Primavera and Sprint Key Replacement

Quick answerThe Vespa Primavera and Sprint use the Piaggio immobilizer with one master key and transponder service keys. The Primavera S and Sprint S owner's manual says up to three keys can be programmed, and any key left out of a programming session is erased. If the master is missing, replace it while you still have a key that starts the scooter.

Vespa Primavera and Sprint key quick facts

The 2018 Primavera S and Sprint S owner's manual allows up to three keys to be programmed.
The same manual describes a remote, supplied with the keys, for seat opening and the Bike Finder.
The ignition switch on these scooters has ON, OFF, CLOSE and LOCK positions, and the key comes out in CLOSE and LOCK.
The seat is released by a button rather than a separate key lock, and the front case stays locked with the switch in CLOSE or LOCK.
The immobilizer LED switches off after 48 hours of continuous flashing.

Vespa Primavera and Sprint key types by year

Years	Models	Key type	Chip	Notes
2014-present	Primavera 150, Sprint 150 (fuel-injected 3V and i-get engines)	master key plus transponder service keys	yes	Usually a brown master with blue keys, though grip colours vary by year and market. Up to three keys on the Primavera S and Sprint S.
From around 2018	Primavera S, Sprint S and other versions with the remote	master and service keys plus a seat and Bike Finder remote	yes	The remote is separate from the immobilizer. It does not start the scooter.

Keys and immobilizer on the Primavera and Sprint

At start-up the Piaggio immobilizer checks the key, and the engine lock is released only when the code is one the scooter has stored. Each key has its own code. When a key is added, every key is programmed again in a single session, and the manual is clear that the codes of keys not submitted are deleted from memory. The Primavera S and Sprint S manual puts the limit at three keys.

The master key is the one used to open and close that programming session. Only one is supplied with a Piaggio scooter, so it should live at home. If you bought your Primavera used with a single blue key, you have no master, and that is worth fixing before the blue key is lost or damaged.

Need a key for your Vespa Primavera 150?

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The four-position switch, the seat and the front case

Earlier small-frame Vespas had three switch positions. The Primavera and Sprint manual lists four: ON, OFF, CLOSE and LOCK. The key cannot be removed in ON or OFF. It comes out in CLOSE and in LOCK, and the manual says the front case stays locked in both of those positions. The seat is released by a button, not by a key lock at the back of the seat.

For an owner this means almost everything on the scooter depends on that one ignition lock. A worn or damaged ignition does not only stop the engine, it can also stop you opening the seat and the front case. If the key has started to stick or needs wiggling, have the lock looked at before it fails with your helmet locked inside.

The Bike Finder remote

Versions such as the 2018 Primavera S and Sprint S come with a remote that opens the seat and flashes the turn signals so you can spot the scooter. It is supplied with the keys and paired at the factory. The manual notes that after the battery has been disconnected the remote may need to be paired again, and that its functions have to be woken up by holding the button for about three seconds. A dead remote does not affect starting, since the immobilizer reads the key, not the remote.

Lost key visit

We come to the scooter, check photo ID and registration or title, and work out which keys you still have. With the master and one service key, adding a spare is straightforward. With a service key but no master, or with no keys at all, the usual approach is to make a new master and service keys for the scooter's existing control unit. Bring every key you have, because any key not included will stop working.

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)

Vespa Primavera and Sprint key FAQ

How many keys can a Primavera or Sprint have?

The Primavera S and Sprint S owner's manual says up to three keys can be programmed. They are stored together, so bring all of them when a key is added.

Does the Bike Finder remote start the scooter?

No. On versions that have it, the remote opens the seat and flashes the turn signals. The engine still needs a programmed key in the ignition.

My key will not come out of the ignition. Is it broken?

Check the position first. On the Primavera and Sprint the key is not removable in ON or OFF and has to be turned to CLOSE or LOCK. If it still will not release, stop forcing it and call.

Why does the immobilizer light stop flashing?

It switches off by itself after 48 hours of continuous flashing to save the battery. That is normal on a scooter that has been parked for a few days.

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 Won't Turn in the Ignition? Causes and FixesWhen a motorcycle key will not turn, the usual causes are a steering lock under tension, a worn or bent key, worn wafers inside the ignition, dirt or corrosion in the cylinder, or simply the wrong key.
When to Get a Spare Motorcycle Key, and Why NowGet a spare motorcycle key as soon as you are down to one working key.
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.