The 2003 Kawasaki Zx636 B1 has 1 NHTSA recall campaign affecting an estimated 11,018 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
ON CERTAIN MOTORCYCLES, THE WELDS SECURING THE MUFFLER TO ITS CLAMP COULD FAIL FROM VIBRATION, ALLOWING THE MUFFLER TO SEPARATE FROM THE EXHAUST PIPE.
THIS CAN INCREASE THE RISK OF A CRASH.
DEALERS WILL INSPECT THE MUFFLER AND INSTALL A RUBBER DAMPER. OWNER NOTIFICATION BEGAN ON OCTOBER 20, 2003. OWNERS SHOULD CONTACT KAWASAKI AT 1-866-802-9381.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“While driving at any speed rumbling sound could be heard then the vehicle would stall. The consumer stated that this has occurred at least 10 times since he owned the cycle. The dealer has examined the cycle five times but could not find the problem. *nm *nm”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2003 Kawasaki Zx636 B1 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.