Complaints over time
Complaints about the 2021 Kawasaki Ninja peaked in 2021, with 1 filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Source: NHTSA ODI complaints file. The lighter column runs through October.
Model year
2021 Kawasaki Ninja
Motorcycle, gasoline, built in Thailand. Owner complaints on file from Nov 16, 2021 to Nov 16, 2021.
Recall campaigns covering this model year0No recall campaign lists this model year
Owner complaints1Close to the median 2021 motorcycle
Severity index0.02021 motorcycles average 5.8
First 24 months1Complaints in its first two years
Components
100% of complaints about the 2021 Kawasaki Ninja name suspension
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls
No recall campaign lists the 2021 Kawasaki Ninja
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
Source: NHTSA ODI recalls file.
Owner complaints
What owners reported about the 2021 Kawasaki Ninja
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
1 complaint on file, page 1 of 1.
- Filed Nov 16, 2021Failure Sep 1, 2021200 milesdanielsville, PASuspension
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 informed of the failure and informed the contact that they were unable to assist. The failure mileage was approximately 200.
NHTSA complaint 11440639
Source: NHTSA ODI complaints file.
Investigations
NHTSA has not opened an investigation on this model year
Source: NHTSA ODI investigations file.
Service bulletins
3 manufacturer communications cover this model year
Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.
- MC24-01 Jan 25, 2024 · Service Bulletin/Repair Instructions
Service Information about a shipping bracket attaching the motorcycle to the crate can cause damage to the motorcycle fuel tank if removed. - MC20-05 Dec 8, 2020 · Service Bulletin/Repair Instructions
Some newly-released 2021 Kawasaki models require “service activation” before delivery to the customer. The main purpose of this is to record the "service activation" date of the vehicle. - MC20-05 Oct 13, 2020 · Service Bulletin/Repair Instructions
Kawasaki has required a service activation in KVCS for selected 2021 models before delivery to the customer. The main purpose of this is to record the "service activation" date of the vehicle.
Source: NHTSA manufacturer communications files.