What causes Stator/charging system failure on the Kawasaki Z900?

Battery voltage at idle, look for charging warning signs Estimated fix cost: $300-$600

What causes Cam chain tensioner rattle on cold start on the Kawasaki Z900?

Listen for ticking rattle first 30 seconds after cold start Estimated fix cost: $150-$350

Idle quality, surging or hunting at low RPM Estimated fix cost: $80-$200

Rear wheel spin freely, uneven pad wear, dragging Estimated fix cost: $100-$250

Known issues to inspect before buying a used Kawasaki Z900. What to check and how much repairs cost.

SERIOUS

Battery voltage at idle, look for charging warning signs

Fix cost: $300-$600

MODERATE

Listen for ticking rattle first 30 seconds after cold start

Fix cost: $150-$350

MINOR

Idle quality, surging or hunting at low RPM

Fix cost: $80-$200

MODERATE

Rear wheel spin freely, uneven pad wear, dragging

Fix cost: $100-$250

☐Check service history and valve clearance records

☐Cold start the bike, listen carefully

☐Inspect frame for crash damage or repairs

☐Test all electrics and charging voltage

Generally solid, maintenance neglect causes most issues