What is the best lock for a motorcycle?

No single lock is theft-proof. A hardened chain or U-lock through the frame or a wheel, anchored to something immovable, plus a disc lock and an alarm or tracker, gives layered protection and slows thieves down.

Do GPS trackers stop theft?

They don't stop a theft, but they can help recover the bike. Hide the tracker well, use one with its own power source if possible, and report a theft to police right away before trying to retrieve the bike yourself.

Is a motorcycle cover a good anti-theft measure?

A plain cover hides the bike from casual view, which helps a little, but it won't stop a determined thief. Use it together with locks and a secure parking spot.

What should I do if my motorcycle is stolen?

Report it to police immediately with the VIN, plate and photos, then notify your insurer. Don't confront thieves yourself, and keep records of any trackers or accessories.

How to prevent motorcycle theft: locks, parking and tracking

To prevent motorcycle theft, make the bike slow, noisy and awkward to steal: park it in a locked garage or a well-lit, busy spot, lock it with a hardened chain or U-lock threaded through the frame or wheel and tied to an immovable anchor, add an alarm or disc lock, and hide a GPS tracker. No lock stops every thief, but layers make your bike a worse target than the next one.

How motorcycles get stolen

Bikes are light and easy to move, which makes them a target. Common methods include:

Lifting into a van or trailer. The bike is simply picked up and carried away. Anchoring and chains defeat this.
Riding or pushing it away after defeating the ignition or steering lock.
Stripping parts. Wheels, bodywork, exhausts and electronics are taken instead of the whole bike.
Key theft or copy. Spare keys, valet keys and keys left in the bike.
Jumping the ignition on older bikes with simple wiring.

Thieves want speed and low risk. Anything that adds time, noise or hassle works in your favor.

The layered approach

Layer	Examples	What it does
Location	Locked garage, gated lot, well-lit and visible spot	Reduces access and raises the thief's risk
Physical locks	Chain or U-lock, disc lock, steering lock	Slows removal
Anchor	Ground anchor, wall anchor, immovable post	Stops lifting and towing
Alarm	Disc lock alarm, motion alarm	Draws attention
Tracking	GPS tracker	Helps recovery
Identification	VIN records, photos, marks	Proves ownership and helps police
Paperwork	Title kept safe, insurance in place	Limits loss

Where you park matters most

NICB's guidance for motorcycle owners includes parking in well-lit areas, locking the ignition and removing the keys. It also recommends locking the bike even in a garage and considering an alarm system. Follow those basics, then add:

Park in a garage or locked space whenever possible. See where to store a motorcycle for options.
Choose visible, busy spots at work or in town, ideally with cameras.
Avoid parking in the same lonely place every day.
Back the bike against a wall or between objects so it's harder to roll or lift.
Don't advertise: a cover can hide an expensive bike's identity, but a cover alone is not a lock.

Locks that work

Chains and U-locks

Choose a hardened chain or U-lock rated for security, not a cable or a thin padlock. Thread it through the frame or a wheel (a wheel alone can be removed from the bike), and around something solid. Keep the lock off the ground, where leverage tools work best, and keep slack to a minimum.

Disc locks

A disc lock locks the front or rear brake rotor. It is light and convenient, but it doesn't stop the bike from being lifted. Use it with a chain, and put a reminder cable on the handlebar so you don't ride away with it on.

Steering locks

The built-in steering lock is weak against a determined thief. Use it, but don't rely on it.

Ground and wall anchors

An anchor in concrete converts a movable bike into a fixed one. In a garage, a floor anchor and a good chain make a real difference. If you rent, ask your landlord first.

Alarms and trackers

Alarms. Motion-sensing and disc-lock alarms make noise when the bike is touched. They're cheap deterrence, though false alarms happen.
GPS trackers. A tracker doesn't prevent theft but can help police find the bike. Hide it in a place thieves won't check, use one with a backup battery or separate power source, and don't try to retrieve the bike yourself; give the location to police.
Kill switches and immobilizers. A hidden switch that cuts ignition or fuel can stop a quick ride-away. Have a professional install it so wiring doesn't harm the electrical system. See motorcycle electrical repair shops for help. Keep in mind aftermarket wiring can affect your battery and charging system; our guide on a motorcycle battery that keeps dying explains parasitic drain.

Keys and paperwork

Don't leave the key in the ignition or hide a spare on the bike
Keep spare keys at home, not in a bag on the bike
Don't keep your title in the motorcycle's storage compartment, as NICB advises
Keep a copy of the title, registration and bill of sale somewhere else (see our guide on the motorcycle bill of sale)

Mark and document the bike

NICB suggests marking the bike with unique identifiers and photographing them so you can prove ownership if it's stolen. Do this:

Take photos of the bike from all sides, and of the VIN, engine number and any unique scratches or accessories
Store the photos and the VIN off the bike (cloud or at home)
Note the odometer reading and accessories
Mark parts discreetly, in places a thief wouldn't think to look

These records also help when you check the VIN in the future or sell.

Insurance

Theft is typically covered under comprehensive or a specific theft endorsement, not liability. Ask your insurer:

Whether theft is covered and what's excluded
Whether they require certain locks or storage
How they value the bike and accessories
What the deductible is
Whether coverage lapses when the bike is in storage

For claims, see motorcycle insurance claims and repairs.

Buying and selling: avoid stolen-bike traps

Theft also shows up in sales. NICB warns buyers to be careful with bikes titled as assembled or "all custom," to review title history for multiple manufacturer's statements of origin for major components, and to be wary of bikes or major parts said to be bought at a swap meet. When selling, NICB advises not handing over the title until payment has cleared the bank. Our guides on how to sell a motorcycle and how to buy a used motorcycle cover more.

If your motorcycle is stolen

Call the police and file a report with the VIN, plate, photos and description.
Notify your insurer right away.
Share tracker data with police. Don't go after the bike yourself.
Check local listings and shops that might see parts, and tell police what you find.
Keep records: receipts, accessories and communications.

If it's recovered

A recovered bike can have hidden damage: ignition and steering damage, wiring tampering, missing parts or crash damage. Have a shop inspect it before riding. Our post on what to check after a motorcycle crash lists areas to inspect that apply to a bike that's been dropped or abused.

Quick checklist

Park in a locked, lit, visible place
Use a hardened chain or U-lock plus a second layer
Anchor the bike to something immovable
Add an alarm and a hidden tracker
Remove the key, lock the steering, never leave the title on the bike
Photograph and record the VIN
Confirm theft coverage with your insurer

When to see a mechanic

Have a shop install any wiring-based anti-theft device, tracker or kill switch, because bad wiring can cause starting problems, drain the battery or cause shorts. If the bike was recovered after a theft or shows ignition damage, damaged wiring or missing parts, don't ride it until it's inspected. Browse motorcycle electrical repair shops or use the full directory.