What causes Regulator/rectifier failure, kills battery on the Kawasaki Er-6n?

Voltage at idle and revs, check for melted connector Estimated fix cost: $80-$150

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

Cold start noise, disappears quickly or persists Estimated fix cost: $50-$200

Oil residue on fork legs and front wheel Estimated fix cost: $100-$250

Idle quality, hunting or erratic at low RPM Estimated fix cost: $50-$100

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

SERIOUS

Voltage at idle and revs, check for melted connector

Fix cost: $80-$150

MODERATE

Cold start noise, disappears quickly or persists

Fix cost: $50-$200

MODERATE

Oil residue on fork legs and front wheel

Fix cost: $100-$250

MINOR

Idle quality, hunting or erratic at low RPM

Fix cost: $50-$100

☐Check charging voltage with multimeter

☐Listen for cam chain rattle cold

☐Inspect fork legs for oil seepage

☐Test idle smoothness and throttle response

Solid budget naked, maintain electrics carefully