This page covers 2 recalls and 23 owner complaints for the 2025 Kawasaki Ninja Zx-6r.
Engine complaints dominate the 2025 Kawasaki Ninja ZX-6R complaint set by a wide margin. The vast majority of reports center on engine failures requiring full engine replacement, with owners describing their bikes as unrideable for extended periods while awaiting parts or inspections. A recurring theme is bikes failing a second round of inspection after an initial check cleared them, leading to engine replacement decisions. Several owners report being without their motorcycle for months, and some describe pursuing buyback requests from the manufacturer after repeated service visits failed to resolve the underlying issue.
23
Total Complaints
1
Crash-Related
1
With Injuries
By System
Complaints are owner-reported and reflect individual experiences, not confirmed defects. They are distinct from recalls. Data sourced from the national vehicle safety complaint database. See trending complaints →
The 2025 Kawasaki Ninja ZX-6R has 2 recalls, both centering on the same engine defect: a crankshaft bushing that can seize and cause the engine to cut out without warning while riding.
When the bushing seizes, the engine can stall suddenly, leaving the rider without power or engine braking at speed, which raises the risk of a crash.
At a glance
What can fail
A metal crankshaft bushing can seize during operation, causing the engine to lose power.
What the fix does
Dealers will re-tighten the metal crankshaft bushing at no cost to restore proper engine function.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
A metal bushing in the crankshaft may seize, causing the engine to lose power while riding.
What the fix does
Inspect the bushing; if damaged, replace it and tighten the crankshaft bolts, or repair/replace the engine. If undamaged, re-tighten the crankshaft bolts.
Summarized — see the official notice for exact wording, dates, and contacts.
