2019 Honda CB300R problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
3 owner complaints analyzed
2 distinct recall campaigns
1,600 mi median reported failure mileage
Scope: 2019 model year. Data snapshot: . 1 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Power Train is the most frequently named component, appearing in 2 of 3 complaints (66.7%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 2 | 66.7% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Power Train | 2 |
| Engine | 1 |
| Structure:Body | 1 |
| Unknown Or Other | 1 |
Power Train: 2; Engine: 1; Structure:Body: 1; Unknown Or Other: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (1). 2 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2019 | 1 |
| 2020 | 1 |
| 2026 | 1 |
2019: 1; 2020: 1; 2026: 1
Pattern summary
Power Train leads the component reports. Transmission and shifting appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11300320 · 2020-01-19 (January 19, 2020)
I WAS RIDING THRU A TURN ON MY 2019 HONDA CB300R AND WHEN I STARTED TO ACCELERATE OUT OF IT IN 2ND GEAR IT POPPED OUT OF SECOND AND DOWN INTO NEUTRAL CAUSING ME TO LOSE TRACTION AND FALL ONTO MY LEFT SIDE. LUCKILY I WALKED AWAY WITH ONLY SOME ROAD RASH. I HAD THE RECALL DONE, BUT SOMETHING IS STILL OFF IN THE TRANSMISSION. A FEW DAYS PRIOR THIS HAD HAPPENED TO ME BUT I WAS RIDING STRAIGHT AND I WAS ABLE TO GET THE MOTORCYCLE BACK INTO THE CORRECT GEAR AFTER IT DOWNSHIFTED ON ITS OWN. LAST NIGHT HOWEVER IT HAPPENED IN A TURN, SUPER SCARY NOT SAF…
Owner-reported narrative. 1,600 miles reported. Look up ODI 11300320 at NHTSA ↗
Owner report 11725312 · 2026-03-18 (March 18, 2026)
I am submitting a complaint regarding a 2019 Honda CB300R with approximately 1,225 miles. This vehicle is subject to an open recall (NHTSA Recall 19V-412) involving a transmission mainshaft circlip that can detach and cause gear misalignment and shifting issues. Prior to service, the motorcycle exhibited a symptom where it would not shift or operate properly beyond 4th gear. The motorcycle was brought to a Honda dealership for recall service. During inspection, the dealer disassembled the engine and identified internal engine damage, includi…
Owner-reported narrative. Look up ODI 11725312 at NHTSA ↗