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Engine coolingPart report

2003 Kawasaki Ninja Engine cooling Problems

Complaints
3about this part
Share
60%of 5 total for the year
Median mileage
1,450miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine cooling of the 2003 Kawasaki Ninja, 60% of the 5 complaints for this model year. Where a mileage was given, the median is 1,450 miles. 1 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“While driving at any speed, vehicle's speed will start deceasing, until vehicle losses all power. The dealership has made several attempts to fix problem, but it still exist. Ts radiator overflowed. Electrical problems. Dealer could not find a remedy. Vehicle was also jumping out of 2nd and 3rd gear. Major service revealed engine was throwing oil. 2 bolts were tightened.”

NHTSA complaint #10004211, filed 2003-01, 900 miles

“While driving 55 MPH muffler fell off without warning, causing motorcycle to run off the road. As a result, driver was unconscious and sprained his ankle. A week later, a recall was issued on the muffler brackets.”

NHTSA complaint #10046230, filed 2003-11, 2,000 miles

“Consumer received a recall notice in october 2003. He was warned not to ride the motorcycle because the muffler would fall off. Consumer had been waiting more than 90 days for replacement.”

NHTSA complaint #10052056, filed 2003-12

Engine cooling: other model years

YearComplaintsShare of year
2003360%
2000225%

Other parts of the 2003 Kawasaki Ninja

Electrical system
1 complaints
Steering
1 complaints
Body and structure
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2003 Kawasaki Ninja

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology