VehicleVerdict

2025 Kawasaki Ninja ZX-6R engine problems

The 2025 Kawasaki Ninja ZX-6R has 20 engine complaints filed with NHTSA — 80% of the year's total, and roughly flat versus the prior model year.

20

Engine complaints

80%

Share of year

1

Crash-involved

2

Related recalls

Engine complaints by year

Ninja ZX-6R engine complaints by model year20 complaints2009: 3 complaints2011: 1 complaints2012: 1 complaints2013: 5 complaints2014: 1 complaints2015: 1 complaints2019: 1 complaints2022: 1 complaints2023: 1 complaints2024: 16 complaints2025: 20 complaints2026: 1 complaints
Ninja ZX-6R engine complaints by model year. Red bars are years to avoid.

Related recalls

25V798000EngineNovember 18, 2025 · 19,823 units

Defect

Kawasaki Motors Corp., U.S.A. (Kawasaki) is recalling certain 2024-2026 Ninja ZX-6R, ZX-6R KRT Edition, ZX-6R KRT 40th Anniversary Edition ABS, ZX-6R ABS, and ZX-6R KRT Edition ABS motorcycles. The motorcycles may lose engine power during operation due to seizure of a metal crankshaft bushing.

Consequence

An engine stall increases the risk of a crash.

Remedy

Owners are advised not to ride their motorcycles until the repair has been completed. Dealers will re-tighten the metal crankshaft bushing, free of charge. Owner notification letters were mailed December 15, 2025. Motorcycles in this recall that were previously repaired under recall 25V376 will need to have the new remedy performed, once available. Owners may contact Kawasaki customer service at (855) 878-4217.

25V376000EngineJuly 7, 2025 · 17,792 units

Defect

Kawasaki Motors Corp., U.S.A. (Kawasaki) is recalling certain 2024-2025 Ninja ZX-6R motorcycles. The motorcycles may lose engine power during operation due to seizure of a metal crankshaft bushing.

Consequence

An engine stall increases the risk of a crash.

Remedy

Owners are advised not to ride their motorcycles until the repair has been completed. The #5 metal crankshaft bushing must be inspected on all eligible units already in operation. If there is no abnormality with or damage to the bushing, the bolts holding the crankshaft together in the crank case must be re-tightened with proper torque. If there is any abnormality with or damage to the bushing, the parts must be replaced and the crankshaft properly tightened, or the engine must be otherwise repaired or replaced. The manufacturer has not yet provided a schedule for recall notification. Owners may contact KMC customer service at 1-866-802-9381. This recall was replaced by 25V798.

What owners report

The contact's son owned a 2025 Kawasaki Ninja ZX-6R. The contact stated that while his son was driving at an undisclosed speed, he was involved in a collision with two other vehicles; the cause of the collision was still under investigation by the California Highway Patrol. The contact was unaware…

Complaint filed with NHTSA · Engine · April 28, 2025 · crash

Common questions

How many engine complaints does the 2025 Kawasaki Ninja ZX-6R have?

NHTSA has 20 complaints about the 2025 Kawasaki Ninja ZX-6R engine — 80% of all complaints filed for that model year.

Are there recalls for the 2025 Kawasaki Ninja ZX-6R engine?

Yes — 2 NHTSA recall campaigns for this model year are tied to the engine: 25V376000, 25V798000.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.