2025 Kawasaki Ninja ZX-6R problems & reliability
23 owner complaints filed with NHTSA for the 2025 Kawasaki Ninja ZX-6R, alongside 2 safety recall campaigns. Last verified Aug 8, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several components.
1 complaint report injuries (1 injured, 1 deaths reported).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine → | 19 | 83% |
| Unknown / Other | 4 | 17% |
| Engine and Engine Cooling | 1 | 4% |
| Power Train | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
What owners report
“I am worried about my safety while riding this bike. There has been two different recalls associated with this bike. The first recall my bike passed and was deemed safe to ride. The second recall my bike failed and the dealer was in contact with kawasaki for a week. The dealership is now stating that since so many…”
Unknown / Other · filed Jan 16, 2026
“This motorcycle has been recalled twice. The first recall my bike passed and was good to go. I received another letter about a 2nd recall. Was told it did not pass recall and is out of spec. I am now being told that my bike is passing kawasaki's new spec numbers for the recall. I do not feel safe riding a bike that…”
Unknown / Other · filed Jan 16, 2026
“GMy name is Duane Willett and I filed a Lemon Law claim Dec 8th and was referred to make a complaint to NHTSA by the Texas DMV.The vehicle is coming up on three months of non use due to the Manufacturer issued stop ride which was issued on two separate occasions. I purchased the 2025 Kawasaki ZX-6R vin number [XXX]…”
Engine · filed Jan 13, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
1 manufacturer communication (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2025 Kawasaki Ninja ZX-6R.
2024 ~ 2025 ZX636J/K OIL & FILTER CHANGE (Factory Authorized Repair). This bulletin only applies to motorcycles that were eligible for recall MC25-08 and not repaired. Owners that did not have recall repairs completed…
MC25-12 · Other · issued Dec 12, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2025 Kawasaki Ninja ZX-6R has 2 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2025 Kawasaki Ninja ZX-6R?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.