KTM 390 Duke, RC 390 and 390 Adventure Key Replacement

Quick answerThe KTM 390 family uses a conventional cut key: KTM's owner's manuals list a key number on the KEYCODECARD and have no immobilizer section. KTM's manuals from 2019 on say a spare can be produced while you still have one key, but that with no key left the entire lock system must be replaced. A locksmith can instead make a key to the locks already on the bike.

KTM 390 Duke, RC 390 and 390 Adventure key quick facts

390 Duke owner's manuals from 2016 through 2025 contain no immobilizer section; the key is a conventional ignition key.
The key number is on the KEYCODECARD, which KTM says to keep in a safe place because it is needed to order a key.
The 2019, 2024 and 2025 390 Duke manuals state that if no ignition key is left, the entire lock system must be replaced.
One ignition key works the ignition and steering lock, the fuel tank filler cap and the seat lock.
The seat lock sits to the left of the seat on the 390 Duke and RC 390 and is opened with the ignition key.

KTM 390 Duke, RC 390 and 390 Adventure key types by year

Years	Models	Key type	Chip	Notes
2016-2018	390 Duke	conventional ignition key	no	Manuals list the key number on the KEYCODECARD. The 2016 manual describes the red immobilizer lamp only as a status lamp for an optional immobilizer and alarm system.
2019-present	390 Duke	conventional ignition key	no	Manuals add that a spare can be produced from an existing key, and that with no key left the entire lock system must be replaced.
2019	RC 390	conventional ignition key	no	The 2019 manual lists the key number on the KEYCODECARD and has no immobilizer section.
2020	390 Adventure	conventional ignition key	no	Dealer setup has the spare key and KEYCODECARD removed from under the seat for handover. Seat and fuel cap open with the ignition key.

A plain key, not a chip key

Owners often expect a modern KTM to have a transponder key, and KTM's big twins do. The 390 family does not, going by the manuals. The 390 Duke manuals for 2016, 2018, 2019, 2024 and 2025 and the 2019 RC 390 manual describe an ignition and steering lock in front of the upper triple clamp, a key number, and nothing about an electronic immobilizer or key activation. The 2016 manual mentions a red immobilizer indicator lamp, but only as a status lamp for an optional immobilizer and alarm system.

In practice that means the cut of the blade is everything. A correctly cut key switches the bike on, and there is no programming step. Key suppliers list the 390 key as a purely mechanical key cut to a four-digit code, and note that it is a different, shorter blank from the one used on the 790 and 890.

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KTM's manuals show one key for every factory lock on these bikes. If you add accessory luggage, expect it to bring its own key.

Ignition and steering lock, in front of the upper triple clamp. The steering is locked by pressing the key in and turning it to the left with the bars at full lock.
Fuel tank filler cap, under a small cover. The key turns 90 degrees to release the cap.
Seat lock, to the left of the seat on the 390 Duke and RC 390. On the 390 Adventure the key releases the seat in the same way.

What the manual says about lost keys

The 2019 and later 390 Duke manuals spell it out in the key number section: the key number is needed to order a replacement key, a spare key can be produced if at least one ignition key is still available, and if an ignition key is no longer present the entire lock system must be replaced. That is how the parts system sees it, and it is why a dealer conversation about a 390 with no keys tends to end at a lock set.

A lock set is not the only way out. The locks on the bike still hold the cut of the original key, so a locksmith can make a new key to the existing ignition, fuel cap and seat lock rather than replacing them. If the KEYCODECARD has survived, the key number on it makes the job quicker.

Trouble spots worth knowing

The fuel cap is where 390 keys get hurt. KTM's manual carries a damage warning in the filler cap section: the ignition key may break if overloaded, damaged keys must be replaced, and you should push down on the filler cap to take pressure off the key before turning it. If the key has started to twist or crack, stop using it in the cap and have a fresh key cut from it while it can still be read.

A key broken off in the cap or the ignition can usually be extracted without replacing the lock, as long as nobody has tried to dig it out first.

What an all-keys-lost visit involves

We confirm ownership with your photo ID and the registration or title, then work from the locks on the bike. The new key is cut on site and checked in the ignition, the steering lock, the fuel cap and the seat lock before we leave. Have the VIN and the exact year ready, since the 390 Duke was redesigned for 2024, and tell us if the ignition or fuel cap has been replaced at some point, because a replaced lock may not match the others.

Where to find the key code

KTM's manuals say the key number can be found on the KEYCODECARD. Dealer setup instructions for this family have the spare key and KEYCODECARD taken from under the seat and kept for handover, so look in the owner's manual pouch and the sales folder.

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)

KTM 390 Duke, RC 390 and 390 Adventure key FAQ

Does the KTM 390 Duke have an immobilizer?

The 390 Duke owner's manuals from 2016 through 2025 have no immobilizer section and describe a conventional ignition key. Markets can differ, so check the manual for your own bike.

I lost the only key to my 390. Do I really need a new lock set?

KTM's 2019 and later manuals say the entire lock system must be replaced when no key is left. A locksmith can usually make a key to the existing locks instead, which keeps the original ignition, fuel cap and seat lock.

Can I get a spare 390 key from my existing key?

Yes. KTM's manual says a spare key can be produced if at least one ignition key is still available, and the key number on the KEYCODECARD is what a dealer orders from.

Why did my key bend in the fuel cap?

KTM's manual warns the ignition key may break if overloaded in the filler cap and says to push down on the cap to take pressure off the key. A bent or cracked key should be replaced before it snaps in a lock.

The immobilizer system on this bike

KTM Immobilizer: Orange Key, Black Keys and Race OnKTM has used two immobilizer setups on its big twins: black transponder ignition keys managed by an orange programming key, and from 2017 the Race On keyless key on the 1290 Super Duke R and 1290 Super Adventure.

More KTM models

Services for this bike

Lost Your Only Motorcycle Key? What to Do NextIf you lost the only key to your motorcycle, a new one can almost always be made, but the route depends on whether your bike uses a plain metal key, a chipped transponder key, or a keyless fob.
How to Find Your Motorcycle Key CodeA motorcycle key code is a short number or letter-number code that tells a locksmith or dealer how to cut a key for your locks.
Broken Motorcycle Key in the Ignition: What to DoIf your key snaps in the motorcycle ignition, stop, keep both pieces, and do not try to turn the cylinder with the stub or dig the fragment out with a knife or screwdriver.
Lost Your Motorcycle Key on a Ride, Far From HomeIf the key goes missing at a stop far from home, secure the bike where it stands, retrace the stop, and then gather the details a locksmith or dealer will need: your photo ID, registration, VIN, year, make and model, and any key number.

Where we come to you

Sources

Page last updated November 14, 2026.