VehicleVerdict

2003 Kawasaki Ninja problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 7 complaints on file for the 2003 Kawasaki Ninja — too few to judge reliability from owner reports alone — but one recall campaign applies to this year, so any used example should have its VIN checked for completed recall work.

7

NHTSA complaints

1

Recalls

0

Investigations

2

Crash-involved

0

Fires reported

2

Injuries

0

Deaths

—

NCAP overall

How does 2003 compare to other Ninja years?

Ninja NHTSA complaints by model year, 2003 highlighted11 complaints1995: 0 complaints1996: 2 complaints1998: 2 complaints1999: 3 complaints2000: 11 complaints2001: 9 complaints2002: 3 complaints2003: 7 complaints2004: 9 complaints2005: 1 complaints2014: 1 complaints2018: 3 complaints2019: 1 complaints2020: 0 complaints2021: 1 complaints
Ninja NHTSA complaints by model year, 2003 highlighted. Red bars are years to avoid.

See all Ninja years to avoid →

What are the most common 2003 Kawasaki Ninja problems?

ComponentComplaintsShare
Engine343%
Electrical System114%
Steering114%
Body & Structure114%
Transmission114%

Does the 2003 Kawasaki Ninja have recalls?

1 NHTSA recall campaign on file. Recall repairs are free at franchised dealers.

02V324000Electrical SystemDecember 6, 2002 · 9,787 units

Defect

ON CERTAIN 2000 ZX1200-A1/A1-L, 2001 ZX1200-A2/A2-L, AND 2002-2003 ZX1200-B1/B1-L MOTORCYCLES, OIL LEAKING FROM THE ALTERNATOR LEAD ELECTRICAL CONNECTOR CAN BE DEPOSITED ONTO THE REAR TIRE.

Consequence

THIS CAN CREATE THE POTENTIAL FOR A LOSS OF TRACTION FOR BRAKING OR CORNERING, AND CAN LEAD TO A CRASH.

Remedy

DEALERS WILL SEAL THE ALTERNATOR LEAD WIRES. OWNER NOTIFICATION BEGAN BEGIN DECEMBER 16, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT KAWASAKI AT 1-949-770-0400.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“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.*AK”

Complaint filed with NHTSA · Engine · September 20, 2003 · crash

“2003 KAWASKI EX500-D10---I WAS RIDING DOWN THE ROAD AND AS I WAS DOWN SHIFTING THE FRONT WHEEL WENT ON THE SHOULDER OF THE ROAD WHEN THE HANDLE BARS BROKE OFF IN MY HANDS, MAKING IT IMPOSSIBLE FOR ME TO TURN AND I RAN INTO THE DITCH AND WAS THROWN FROM THE BIKE AND BROKE MY WRIST. I BELIEVE THAT…”

Complaint filed with NHTSA · Steering · May 13, 2003 · crash

“LEFT HAND SIDE FRONT NOISE ON ZX-636 RR NINJA KAWASAKI, DEVELOPED 4-DIRECTIONAL CRACK ORIGINATING FROM SCREW ( ONE OF THE 6 SCREWS ON FRONT NOSE)!!..VEHICLE IS 2003 YEAR MODEL 636 ZXRR, AND PURCHASED ON JUNE 17TH 2004.. THE VEHICLE HAS UNDER 100 MILES SO FAR,TOTALLY GARAGED. AND NO…”

Complaint filed with NHTSA · Body & Structure · September 4, 2004

“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…”

Complaint filed with NHTSA · Transmission · September 1, 2002

“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…”

Complaint filed with NHTSA · Electrical System · September 1, 2002

2003 Kawasaki Ninja — common questions

Is the 2003 Kawasaki Ninja reliable?

The record is thin — 7 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 1 recall should be verified as completed.

Does the 2003 Kawasaki Ninja have recalls?

Yes — NHTSA lists 1 recall campaign affecting the 2003 Kawasaki Ninja. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

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.