The 2006 Kawasaki Kl650a has 1 NHTSA recall campaign affecting an estimated 33,693 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
ON CERTAIN MOTORCYCLES, INSUFFICIENT TIGHTENING OF THE MUFFLER MOUNTING BOLTS COULD ALLOW THE BOLTS TO LOOSEN.
IF THE BOLTS LOOSEN COMPLETELY, IT IS POSSIBLE FOR THE MUFFLER TO SEPARATE FROM THE MOTORCYCLE AND CREATE THE POTENTIAL FOR A CRASH.
DEALERS WILL TIGHTEN TWO MUFFLER MOUNTING BOLTS TO THE PROPER TORQUE FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 22, 2007. OWNERS MAY CONTACT KAWASAKI AT 1-866-802-9381.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“2006 kawasaki klr 650 balancer tensioner spring failure. Symptoms loud engine noise and poor engine operation. The failure was caught in time before catastrophic engine failure could take place. I purchased a balancer lever upgrade kit from eagle manufacturing of california. The cost of this kit…”
“Preload adjuster broke on 2006 klr 650 second time I attempted to adjust it with less that 10k miles on it. *tr”
“2006 klr 650 kawasaki motorcycle broken balancer chain lever even though adjusted regularly by kawasaki dealer. Metal fragments in the engine causing potential damage. Incurred significant repair costs to replace the defective part and repair with after market replacement as the kawasaki part is…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2006 Kawasaki Kl650a as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.