Kawasaki engine problems

Owners have filed 426 complaints with NHTSA about the engine on Kawasaki vehicles — 100% of everything reported about the brand, across 103 models. The model that accounts for most of them is the Kawasaki KLR650, worst in 2001.

These are raw counts. A model that sold in millions appears near the top for that reason alone — the grade never compares one model with another.

426

Complaints

100%

Share of all Kawasaki complaints

18

Crashes

11

Fires

Which Kawasaki models have the most engine problems

KLR650 69 16.2%

Worst in 2001

Ninja ZX-6R 53 12.4%

Worst in 2025

Ninja 300 39 9.2%

Worst in 2013

Worst Kawasaki model years for engine problems

Vehicle Complaints Share of that year Median miles Grade
2013 Kawasaki Ninja 300 37 52% 225 F
2025 Kawasaki Ninja ZX-6R 21 81% — F
2024 Kawasaki Ninja ZX-6R 16 76% 7,000 F
2001 Kawasaki KLR650 15 75% 13,000 F
2008 Kawasaki KLR650 14 11% 5,400 C