IllustrationVALVE COVER ALLOWING OIL TO LEAK. MULTIPLE POSTS ONLINE ABOUT THIS BEING A STANDARD PROBLEM WITH THIS VEHICLE, BUT THE MANUFACTURER NEVER ISSUED A RECALL.
2007 Kawasaki ZX-6R
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Other model years Selected year
Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 12 of 15 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Engine And Engine Cooling. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
15 reports30 MINUTES INTO RIDING CRUISING 65MPH MOTORCYCLE ALL OF A SUDDEN STARTED MAKING A CLACK CLACK CLACK NOISE, LOST POWER, RPMS STARTED DROPPING, CLUTCHED IN AND COASTED TO SIDE OF ROAD, BIKE SHUT OFF, WOULD NOT TURN BACK ON. KAWASAKI DEALERSHIP DIAGNOSED PROBLEM SAYING ENGINE WOULD NOT MAKE A FULL ROTATION. PROBLEM ENDED UP BEING A…
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30 MINUTES INTO RIDING CRUISING 65MPH MOTORCYCLE ALL OF A SUDDEN STARTED MAKING A CLACK CLACK CLACK NOISE, LOST POWER, RPMS STARTED DROPPING, CLUTCHED IN AND COASTED TO SIDE OF ROAD, BIKE SHUT OFF, WOULD NOT TURN BACK ON. KAWASAKI DEALERSHIP DIAGNOSED PROBLEM SAYING ENGINE WOULD NOT MAKE A FULL ROTATION. PROBLEM ENDED UP BEING A VALVE WELDED ITSELF INTO PISTON, ALSO METAL FUSED SPARK PLUG HOLE COMPLETELY. ENGINE NO LONGER USABLE. 6,060 MILES ON MOTOR. *TR
OIL LEAK IN FRONT OF ENGINE, GASKET AND O-RING. SMALL AMOUNT OF OIL IS LEAKING COMING FROM THE FRONT TOP OF THE ENGINE. *TR
LEAKING OIL LEFT SIDE OF ENGINE GETTING IT FIXED FOR THE SECOND TIME NOW. *TR
VALVE COVER GASKET AND O-RING FOR THE SENSOR ON THE FRONT OF THE ENGINE LEAKS OIL. OIL LEAKS DAILY. VALVE COVER GASKET AND O-RING NEEDS TO BE REPLACED. OIL LEAK CAN GREASE THE TIRES OF THE MOTORCYCLE AND CAUSE A SERIOUS INJURY OR DEATH. *TR
VALVE COVER GASKET AND O-RING FOR THE SENSOR ON THE FRONT OF THE ENGINE LEAKS OIL. OIL LEAKS DAILY. VALVE COVER GASKET AND O-RING NEEDS TO BE REPLACED. OIL LEAK CAN GREASE THE TIRES OF THE MOTORCYCLE AND CAUSE A SERIOUS INJURY OR DEATH. KAWASAKI IS AWARE OF THE ISSUE BUT REFUSES TO ISSUE A RECALL AS DEMONSTRATED BY THE NEW PA…
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VALVE COVER GASKET AND O-RING FOR THE SENSOR ON THE FRONT OF THE ENGINE LEAKS OIL. OIL LEAKS DAILY. VALVE COVER GASKET AND O-RING NEEDS TO BE REPLACED. OIL LEAK CAN GREASE THE TIRES OF THE MOTORCYCLE AND CAUSE A SERIOUS INJURY OR DEATH. KAWASAKI IS AWARE OF THE ISSUE BUT REFUSES TO ISSUE A RECALL AS DEMONSTRATED BY THE NEW PARTS THAT WERE MANUFACTURED TO REPLACE THE DEFECTIVE PARTS. DEFECTS ARE IN THE 100'S BASED ON ONLINE FORUM COMPLAINTS. PLEASE SEE ONE OF MANY ONLINE POSTS IDENTIFYING PROBLEM ON BRAND NEW BIKES: *TR
VALVE COVER GASKET AND O-RING FOR THE SENSOR ON THE FRONT OF THE ENGINE LEAKS OIL. OIL LEAKS DAILY. VALVE COVER GASKET AND O-RING NEEDS TO BE REPLACED. OIL LEAK CAN GREASE THE TIRES OF THE MOTORCYCLE AND CAUSE A SERIOUS INJURY OR DEATH. IN ADDITION, THE ENGINE CAN SEIZE FROM LACK OF OIL AND RUIN THE PRODUCT FOR THE OWNER. *TR
CAMS AND TAPPETS GOING BAD IN A 2007 KAWASAKI ZX-6R A TICKING IS COMING FROM THE ENGINE THAT HAS BEEN ASSOCIATED WITH CAUSING FAILURE AND THE ENGINE TO SEIZE. (I AM NOT SURE OF MY VIN # BUT PLEASE CONTACT ME IF YOU NEED ME TO FIND IT). *TR
VALVE COVER GASKET AND O-RING FOR THE SENSOR ON THE FRONT OF THE ENGINE LEAKS OIL. OIL LEAKS DAILY. VALVE COVER GASKET AND O-RING NEEDS TO BE REPLACED. OIL LEAK CAN GREASE THE TIRES OF THE MOTORCYCLE AND CAUSE A SERIOUS INJURY OR DEATH. *TR
I HAVE A 2007 ZX6R KAWASAKI WITH ONLY 1700 MILE ON IT AND I HAVE NOTICED MY HEAD GASKET LEAKS AND A TAPPING NOISE IN THE ENGINE. I DON'T KNOW IF THIS IS SAFE. IF THE ENGINE LOCKS UP AT HIGH SPEEDS THEN IT HURT AND POSSIBLE KILL ME. IT DON'T SOUND TO SAFE. *TR
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.