What causes Stator/charging system failure on the Kawasaki Z 900?

Check battery voltage at idle, look for dimming lights Estimated fix cost: $300-$600

What causes Throttle body sync issues causing rough idle on the Kawasaki Z 900?

Listen for uneven idle, hesitation on low throttle Estimated fix cost: $100-$200

Inspect welds near swingarm pivot and headstock area Estimated fix cost: $0-$500

Listen for rattling on cold start at top of engine Estimated fix cost: $200-$500

Known issues to inspect before buying a used Kawasaki Z 900. What to check and how much repairs cost.

SERIOUS

Check battery voltage at idle, look for dimming lights

Fix cost: $300-$600

MODERATE

Listen for uneven idle, hesitation on low throttle

Fix cost: $100-$200

MODERATE

Inspect welds near swingarm pivot and headstock area

Fix cost: $0-$500

SERIOUS

Listen for rattling on cold start at top of engine

Fix cost: $200-$500

☐Check service history and valve clearance records

☐Test ride cold start for unusual noises

☐Inspect for crash damage on levers and fairings

☐Verify charging system with multimeter at 5000rpm

Solid engine, minor electrical gremlins to watch