What causes Stator/charging system failure on the Kawasaki Z800?

Check battery voltage at idle, look for dim lights Estimated fix cost: $200-$400

What causes Cam chain tensioner noise/wear on the Kawasaki Z800?

Listen for rattling on cold start near engine top Estimated fix cost: $100-$250

Rough idle, hesitation between 3000-5000 RPM Estimated fix cost: $50-$150

Inspect weep hole under engine for coolant residue Estimated fix cost: $80-$200

Known issues to inspect before buying a used Kawasaki Z800. What to check and how much repairs cost.

SERIOUS

Check battery voltage at idle, look for dim lights

Fix cost: $200-$400

MODERATE

Listen for rattling on cold start near engine top

Fix cost: $100-$250

MINOR

Rough idle, hesitation between 3000-5000 RPM

Fix cost: $50-$150

MODERATE

Inspect weep hole under engine for coolant residue

Fix cost: $80-$200

☐Check service history, especially coolant changes

☐Test ride above 5000 RPM for smoothness

☐Inspect frame for crash damage or repairs

☐Verify stator output with multimeter test

Solid engine, electrical gremlins on high-mileage examples