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CRF250L Ignition Switch & Lock Set: 2026 Compatibility Guide, DTC Mapping & OEM Cross-Reference

by flippancy 02 Jun 2026
Guide scope: ignition switch, fuel cap and seat lock sets for the Honda CRF250L (2013-2020), CRF250LA (2013-2020), CRF250M (2014-2016) and CRF250L Rally (2017-2020). What to do when all keys are lost, and which set fits your year.

Lost both keys to your Honda CRF250L (2013-2020)? The dealer cannot cut you a new key without the original key code, and most owners never saved that tag. The fix is a full lock set swap — one afternoon, hand tools, done.

The four-piece lock set for the CRF250L and CRF250LA (2013-2020) covers the whole bike: ignition switch, locking fuel cap, seat lock and matched keys. Every lock opens with the same new key. There is no chip and nothing to program.

4 piecesIgnition switch + fuel cap + seat lock + keys
$64.58Four-piece set, CRF250L / CRF250LA 2013-2020
0Dealer visits — plain mechanical key, no programming

All keys lost? Three ways forward

Work down this list in order. Each step costs less than the one below it.

  1. Hunt for the key code. It is a short code stamped on a lock — the recipe your key was cut from.
  2. Cut a key to code. A dealer or locksmith can do it, if the code survived and they still cut keys.
  3. Replace the whole lock set. New ignition, fuel cap and seat lock arrive with matched keys. This is the standard fix.

One key code runs every lock on the bike. That is why one lost key is cheap to solve and zero keys are not — the code usually sat on the metal tag you threw away in 2013.

Where the key code hides

Check these spots before you order anything:

  • The small metal tag that came with the keys from the factory.
  • Stamped on the ignition switch housing, sometimes under a thin plate.
  • On the fuel cap or seat lock barrel, if those are still the original locks.

Found nothing? You can pull the ignition switch and hand it to a locksmith, who cuts a key straight from the cylinder. That still costs you a removal, a trip and a waiting day — which is why most riders simply swap the set.

Which set fits your bike

Pick by model and year, not by price. All five parts below are in stock now.

Option Price / SKU Fits — pick it when
Four-piece set $64.58 · 356150768635 CRF250L and CRF250LA (2013-2020). Full swap in one order, matched keys included
35010-KZZ-900 set $50.68 · 357211621145 CRF250L (2014-2016). Your records need the exact OEM ignition number
CRF250M set $67.74 · 127407870513 CRF250L (2013-2020) plus the CRF250M supermoto (2014-2016), 6-month warranty
Rally set $55.21 · 355889291234 CRF250L Rally (2017-2020). Late ABS Rally models may carry a different switch — compare photos first
Lockable chrome cap 17620-MEG-013 $39.39 · 355894890995 2013-2022 CRF250L variants. Only the fuel cap is worn? Skip the full set

Switches, sensors and coils for the same bikes live in the ignition systems collection. If your dash cuts out as well as your key sticking, an electrical part is a likelier culprit than a lock.

Two keys left the Honda factory with your CRF250L (2013-2020). Losing the first is a warning. Losing the second is a lock set purchase — so copy the code off the new tag this time.

Signs the locks are dying, keys still in hand

You do not need to lose a key to need this guide. Order a set when you notice any of these:

  • The key sticks at OFF or needs a wiggle to reach ON.
  • The dash flickers or dies over bumps — a worn switch loses contact for a split second.
  • The key turns but now spins loosely past its stops.
  • The seat latch or fuel cap stopped matching the ignition key.

Recovered the bike after a theft attempt? Punched switch barrels are the fastest way in, and a punched switch is rarely reusable. Fit the new set and the thief's screwdriver stops mattering.

The swap, step by step

Budget about an hour in the garage. Hand tools only.

  1. Disconnect the negative battery terminal before you touch any switch wiring.
  2. Ignition switch: unbolt it from its bracket, unplug the connector, bolt the new switch in its place.
  3. Fuel cap: unscrew the cap, remove the retaining screws underneath, lift the old lock out.
  4. Seat lock: pull the seat, unbolt the old lock, swap it, refit the seat.
  5. Reconnect the battery. Turn the new key through every position and confirm the dash lights come on.
  6. Lock and unlock the fuel cap and seat twice each before you ride.

Nothing to program on a CRF250L (2013-2020) — the key is purely mechanical. The job ends when the bolts are tight.

One more layer while you are at it

A lock set stops someone from riding off. It does not stop a second person from lifting the bike onto a dolly. A fitted cover hides what is underneath and slows casual hands — the waterproof motorcycle cover guide explains which sizes and materials hold up outdoors.

Parking on a driveway all winter? Combine the three: new locks, a locked cover, and the tag code written in your phone. Each layer costs less than one replacement bike.

Do this the day the new set arrives

Write the new key code down and photograph the tag — that is the shortcut you will wish you had this time. Then test every lock with the new key: ignition through all positions, fuel cap off and on twice, seat latch twice. A ten-minute test beats a stranded Saturday.

All keys lost on a CRF250L (2013-2020) — the decision path Last key gone plain mechanical key no chip, no programming dealer needs the code Hunt the key code metal tag, switch housing, fuel cap, seat lock barrel one code runs every lock Code found? yes → locksmith cuts a key some dealers refuse no code → swap the set No code, no set: the dead end parts counter cannot cut → no key → bike parked for days Full lock set swap: the fix ignition + fuel cap + seat lock → one new key, same day Rule of thumb: found the code → one key. No code anywhere → one lock set, and the old key stops mattering.
The code hunt is worth one evening. After that, the lock set is the cheapest road back to a rideable bike.

Frequently asked questions

Does one set really fit every CRF250L year?

The four-piece set covers the CRF250L and CRF250LA (2013-2020). CRF250M (2014-2016) and CRF250L Rally (2017-2020) need their own sets.

What is the Honda part number for the CRF250L ignition switch?

35010-KZZ-900, with 35010-KZZ-901 as the superseding number you will see on newer listings. Both refer to the same switch application.

Can a dealer cut a key from my VIN?

No. CRF250L (2013-2020) keys are cut to a mechanical key code, and the dealer needs that code — not the VIN.

Where is the key code on a CRF250L?

On the original metal key tag, or stamped on the ignition switch, fuel cap or seat lock. Most owners never kept the tag.

Do the new keys need programming?

No. The CRF250L (2013-2020) uses a plain mechanical key with no chip. The bike runs as soon as the new switch is wired in.

Can I just replace the fuel cap lock?

Yes — the lockable chrome 17620-MEG-013 cap covers 2013-2022 CRF250L variants. The trade-off is that the cap key then differs from your ignition key.

What does the whole job cost?

On KOEEP, $39.39 for a single lockable cap up to $64.58 for the four-piece CRF250L (2013-2020) set. Add about an hour of garage time.

One key again, this weekend

The four-piece set, the 35010-KZZ-900 set, the Rally set and the lockable chrome cap are all in stock. Not sure which one your year takes? Send us a quote request, email support@koeep.com, or WhatsApp +86 181 3883 8291.

Sources & further reading:
  • Lock sets under OEM 35010-KZZ-900 / 35010-KZZ-901 listed for Honda CRF250L (2013-2020) and CRF250M (2014-2016) — marketplace listings (amazon.com/35010-kzz-900)
  • r/CRF250L "Lost keys": the dealer cannot cut a replacement without the key code (reddit.com/r/CRF250L/comments/10gajip/lost_keys)
  • Key code location thread: remove the ignition switch and have a locksmith cut from the cylinder (thumpertalk.com/forums/topic/1517411-help-key-code-location-on-crf250l-ignition)
  • Lost-motorcycle-key guide: the code may be stamped on the ignition, seat lock, fuel cap or original key tag (mr-key.com)
  • Honda-Tech lost-sole-key thread: dealer needs the code or sells a complete lock set (honda-tech.com/forums/honda-motorcycles-26)
  • Honda Rebel Forum: removing the ignition plate to read the key code, with photos (hondarebelforum.com)
  • Honda motorcycle keys cut to the code stamped on the switch housing — key-cutting service listing (ebay.com/itm/184653074546)
  • ThumperTalk 2019 CRF250L Rally ABS: newer switch unit with tamper-resistant bolts (thumpertalk.com)
  • KOEEP fitment years, prices and SKUs — KOEEP product listings 356150768635, 357211621145, 127407870513, 355889291234 and 355894890995
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