How many recalls does the 2021 Kawasaki Ninja have?

The 2021 Kawasaki Ninja has no NHTSA safety recalls on record.

How do I check if my 2021 Kawasaki Ninja has an open recall?

Enter your 17-character VIN at NHTSA's official recall lookup (nhtsa.gov/recalls) to see open, unrepaired recalls for your specific vehicle. Recall repairs are free.

What do owners complain about most on the 2021 Kawasaki Ninja?

Of 1 NHTSA complaints on file, the most-reported component is suspension.

2021 Kawasaki Ninja Recalls

No recalls on record Updated July 2026

No NHTSA recalls on record for the 2021 Kawasaki Ninja. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 1 complaint with NHTSA, most often about the suspension. Last updated July 5, 2026.

Complaints by component

SUSPENSION

Total complaints1

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“The contact owns a 2021 kawasaki ninja 400. The contact stated while riding at various speeds, the motorcycle would wobble while slowing down. The contact stated no warning light was illuminated. The motorcycle was taken to a local dealer but was not diagnosed or repaired. The manufacturer was…”

SUSPENSION · reported 2021-09-01

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Kawasaki Ninja as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.