2003 Kawasaki Klr650 problems, complaints & recalls
Most-reported problem areas: Engine And Engine Cooling:engine (2) · Engine And Engine Cooling (2) · Tires (1)
🧭 Reliability snapshot
Compared against other Kawasaki Klr650 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (1)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Structure 2024-01-25 · MC24-01 · Service Bulletin/Repair Instructions
service information about a shipping bracket attaching the motorcycle to the crate can cause damage to the motorcycle fuel tank if removed.
What owners report
2010-10-02 · Engine And Engine Cooling:engine · 15,000 mi“klr650 engine idle lever adjuster spring failed sending metal fragments through out the engine that i had to fish out - very very common problem to the point that it is the first thing people do when they buy a klr of any year. *tr…”
2009-04-23 · Engine And Engine Cooling · 25,600 mi“kawasaki klr 650 motorcycle chain tensioner counter balancer and retainer spring broken and missing. the broken pieces can cause catastrophic failure including engine seizure while in operation. replaced the parts from aftermarket supplier. *tr…”
2007-07-30 · Engine And Engine Cooling · 2,200 mi“i have a 2003 kawasaki klr650 and the balancer lever adjuster is broken. it makes a loud noise and there is a possibility of engine seizure. i have done nothing to fix this yet and am driving an alternate vehicle. *jb…”
2006-01-08 · Steering · 8,900 mi“i just checked my idler shaft lever (doohickey) on my 2003 klr 650. the doohickey was intact but, the spring was broke. i can't find the end of the spring that broke off and the chain wore part way through the spring leaving metal shavings throughout the engine not good!!! just ordered new doohickey and spring from arrowhead motorsports. *jb…”
2004-07-09 · Tires“when the motorcycle was taken out of storage consumer noticed that tires sidewall developed weather checks. these were small cracks that went around the sidewall of the tires. the motorcycle was driven for 6 months, then stored for 6 months prior to this problem occurring. dealership was contacted but could not identify what caused the cracks t…”
2003-10-12 · Engine And Engine Cooling:engine · 10,265 mi“the motorcycle cam chain adjuster spring broke and caused the vehicle to stall while driving. sausage, klr 650, 2003. *ak while driving consumer heard a grinding sound from the left side of the engine. the broken spring bent the intake valve and damaged valve guides (sausage 630 2003). *ts *nlm…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.