Total Complaints
1 filings
HONDA CRF450 · model year
1 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2021HONDACRF450 carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2021 CRF450 is fuel/propulsion system with 1 filings. Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 77 investigation files overlapping the 2021 CRF450, and 9 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
1 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| FUEL/PROPULSION SYSTEM | 1 |
Throttle appears to malfunctions at low RPM/MPH 6 to 9 MPH, The engine jump on /off /lunges/surges at low 6 to 9 RPM/MPH range. Yes the same speed in most traffic and trail rides. But not every time, then it has flamed out when I approach a stop sign or stop light. Seems like the fuel shut off and on at low speeds. Anything over 20 MPH and the less you notice/feel the jumps on/off power/lunges/surges of engine power.
Inaccurate Rear Passenger Seat Belt Warning Status
Loss of Motive Power
Inadvertent Deployment of Side Air Bags
Engine failure
No Restart After Auto Start/Stop Engages
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.