Kawasaki KL650A17: problems, complaints, bulletins

Summary for the Kawasaki KL650A17 across 1 model years: 2 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.

Model years

Year	Owner complaints	involving a crash	Technical service bulletins (TSB)	YouTube repair videos
2003	2	0	0	0

What fails most often

1 Engine 50% of all complaints
2 Engine and cooling 50% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Engine: 1 complaints (50% of all).
Engine and cooling: 1 complaints (50% of all).

Symptoms owners describe

How many of the 2 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

vibration1 · 50%
unintended acceleration1 · 50%
engine failure or replacement1 · 50%

Components owners complain about

Component	Owner complaints	involving a crash	Technical service bulletins (TSB)
Engine	1	0	0
Engine and cooling	1	0	0

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

On my 2003 klr650, the idle shaft lever failed, causing the engine to surge and vibrate violently. Adjustment was impossible, and damage had occurred in the bottom end of my engine.
Engine · 2003 · 2013-10-07 · NHTSA complaint #10547145
2003 kawasaki with engine failure customer states that he believes a recall action is warranted** the tensioner spring broke while the consumer was driving to work. About 10 to 15 miles later, the broken spring became loose and deranged the cam drive chain causing valve to piston contact and engine damage.
Engine and cooling · 2003 · 2007-08-24 · NHTSA complaint #10201407

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

20071
20131

What to check before buying

Engine. Cold start, unusual noises, oil leaks and engine codes.
Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.

Other models of this make

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.