2021 Kawasaki Ninja 400 Problems, Complaints & Recalls
- Compared with other Ninja 400 years
- Not enough data 1st of 2 for complaints
- Safety recalls
- 1 recall: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 1 complaint with NHTSA about the 2021 Kawasaki Ninja 400. That is the most of any Ninja 400 model year in the database (2 years). The most reported problem area is power train (1 complaints, 100%). Complaints mention 1 crash. There is 1 safety recall covering this model year.
- 1owner complaints
- 1safety recalls
- 0NHTSA investigations
- 1complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2021 Kawasaki Ninja 400 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Power Train | 1 | 100% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
2021 Kawasaki Ninja 400 recalls (1)
Tap a recall to see the problem, the risk and the fix.
Engine and engine cooling:engine:hard parts internal/mechanicalDo not drive
Problem: Kawasaki Motors Corp., U.S.A. (KMC) is recalling certain 2021 Z400 ABS (ER400D), Ninja 400 (EX400H) and Ninja 400 ABS (EX400G) motorcycles. The strength of the camshaft chain tensioner may be insufficient due to improper heat treatment, possibly causing it to be damaged.
Risk: A damaged camshaft chain tensioner can cause the engine to stall, increasing the risk of a crash.
Fix: KMC will notify owners, and dealers will replace the camshaft chain tensioner, free of charge. Note: Owners are advised to not ride their motorcycles until the repair has been completed. The recall began December 21, 2020. Owners may contact KMC customer service at 1-866-802-9381. KMC's number for this recall is MC20-13.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
This issue has been documented on hundreds of KAWASAKI NINJA400 Motorcycles ranging from 2019 to 2023. The clutch will malfunction and slip with miles as low as 200. I personally have a ninja 400 from the dealership with 7000 miles on it and the clutch is indeed slipping abnormally and this has…
Other Kawasaki Ninja 400 years
| Year | Complaints | Recalls |
|---|---|---|
| 2022 Ninja 400 | 1 | 0 |
| 2021 | 1 | 1 |
See all Kawasaki Ninja 400 problems by year, every Kawasaki model, or the VIN decoder.
Similar Kawasaki models
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Frequently asked questions
What are the most common problems with the 2021 Kawasaki Ninja 400?
Owners most often report power train problems. The top one, power train, accounts for 1 complaint.
Was there a recall on the 2021 Kawasaki Ninja 400?
Yes, 1 safety recall. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2021 Kawasaki Ninja 400 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Ninja 400 model years, the 2021 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.