Honda Cb300r, Honda Cbr300r, Honda Cmx300, Honda Crf250l, model years 2018 to 2019. Filed by Honda (American Honda Motor Co.) and reported to NHTSA on 4 June 2019. 3,898 vehicles potentially affected.
What the notice says Honda (American Honda Motor Co.) is recalling certain 2019 CB300R, 2018 CBR300R, 2018 CRF250L, 2018 CRF250L Rally, and 2018-2019 CMX300 motorcycles. The circlip, on the transmission's main shaft, may detach allowing for gear misalignment.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Honda's own number for this recall: KK3. That is the number on the owner letter and on the dealer paperwork. 19V412 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 19V412 cover?
- Honda Cb300R, Honda Cbr300R, Honda CMX300, Honda Crf250L, model years 2018-2019.
- What is wrong with them?
- Honda (American Honda Motor Co.) is recalling certain 2019 CB300R, 2018 CBR300R, 2018 CRF250L, 2018 CRF250L Rally, and 2018-2019 CMX300 motorcycles. The circlip, on the transmission's main shaft, may detach allowing for gear misalignment.
- What can happen if it is not put right?
- A misaligned gear can shift the transmission from neutral into gear during engine start, potentially resulting in unexpected motorcycle movement or seize the transmission and rear wheel while the motorcycle is in motion. Both conditions increase the risk of crash or injury.
- Is there a fix yet?
- Yes, and it is free. Honda will notify owners, and dealers will replace the transmission main shaft, free of charge. The recall began July 8, 2019. Owners may contact Honda customer service at 1-866-784-1870. Honda's number for this recall is KK3.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Honda calls this recall KK3, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “A misaligned gear can shift the transmission from neutral into gear during engine start, potentially resulting in unexpected motorcycle movement or seize the transmission and rear wheel while the motorcycle is in motion. Both conditions inc…”
affected
in the notice
caught
| Campaign | 19V412 |
|---|---|
| Filed by | Honda (American Honda Motor Co.) |
| System at fault | Power Train:Manual Transmission |
| Reported to NHTSA | 4 June 2019 |
| Model years | 2018-2019 |
| Vehicles named | HONDA CB300R, HONDA CBR300R, HONDA CMX300, HONDA CRF250L |
What the notice says today
The consequence
A misaligned gear can shift the transmission from neutral into gear during engine start, potentially resulting in unexpected motorcycle movement or seize the transmission and rear wheel while the motorcycle is in motion. Both conditions increase the risk of crash or injury.
The remedy
Honda will notify owners, and dealers will replace the transmission main shaft, free of charge. The recall began July 8, 2019. Owners may contact Honda customer service at 1-866-784-1870. Honda's number for this recall is KK3.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 816 notices in the record whose component field names power train. Across that group the median wait before owners were written to was 42 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
- Honda Cbr300r recalls: 4 US campaigns
- Honda CMX300 recalls: 5 US campaigns
- Honda Crf250l recalls: 4 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 19V412, wording as read on 16 September 2026. https://carsmultiverse.com/recall/19v412/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Honda notices we hold
- 26V500: 2017-2023, 2025 CMX500, 2017-2023, 2025-2026 CMX300, and 2025 Honda SCL500 motorcycles
- 26V424: 2026 Pilot and Passport
- 26V423: 2018-2020 Odyssey
- 26V366: 2023-2026 CR-V Hybrid, Accord Hybrid, and 2025-2026 CR-V Fuel Cell EV
- 26V365: 2016-2022 Honda Pilot, 2017-2023 Ridgeline, 2019-2023 Passport, and 2014-2020 Acura MDX
- 26V306: 2024-2025 Honda Prologue and 2024 Acura ZDX
- 26V227: 2018-2022 Odyssey
- 26V194: 2025 CB1000SP motorcycles
All 256 Honda campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 19V412 on 23 August 2026, they were:
- Defect summary
a5d2cc97 - Consequence
828eb936 - Remedy
b95c1c44
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 19V412 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Honda Cbr300r, in all seven, is kept on that vehicle's own page, with the newest in each.
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Owners of these cars
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