What causes Cam chain tensioner rattle on startup on the Kawasaki Er-6f?

Cold start noise, rattling from engine top end Estimated fix cost: $80-$200

What causes Rectifier/regulator failure, battery drain on the Kawasaki Er-6f?

Battery voltage at idle, melted connector near regulator Estimated fix cost: $150-$300

Oil residue on lower fork legs, soft front end Estimated fix cost: $100-$250

Uneven idle, hunting RPM at standstill Estimated fix cost: $50-$100

Known issues to inspect before buying a used Kawasaki Er-6f. What to check and how much repairs cost.

MODERATE

Cold start noise, rattling from engine top end

Fix cost: $80-$200

SERIOUS

Battery voltage at idle, melted connector near regulator

Fix cost: $150-$300

MODERATE

Oil residue on lower fork legs, soft front end

Fix cost: $100-$250

MINOR

Uneven idle, hunting RPM at standstill

Fix cost: $50-$100

☐Check for crash damage on fairing mounts

☐Test cold start for engine noises

☐Inspect battery health and charging voltage

☐Look for fork oil on lower legs

Generally solid, minor electrical issues most common