What causes Top-end wear from missed oil changes on the Kawasaki KX327?

Compression test, listen for piston slap at idle Estimated fix cost: $300-$600

What causes Radiator leaks from track crashes on the Kawasaki KX327?

Inspect fins and seams for cracks or stains Estimated fix cost: $150-$400

Oil streaks below fork tubes, check stanchion scratches Estimated fix cost: $100-$250

Check chain slack, inspect sprocket teeth for hooking Estimated fix cost: $80-$180

Known issues to inspect before buying a used Kawasaki KX327. What to check and how much repairs cost.

SERIOUS

Compression test, listen for piston slap at idle

Fix cost: $300-$600

MODERATE

Inspect fins and seams for cracks or stains

Fix cost: $150-$400

MODERATE

Oil streaks below fork tubes, check stanchion scratches

Fix cost: $100-$250

MINOR

Check chain slack, inspect sprocket teeth for hooking

Fix cost: $80-$180

☐Cold-start the bike before buying

☐Check frame for welds or cracks

☐Verify hours on engine if meter present

☐Inspect subframe for bending or repairs

Solid bike if maintained, avoid neglected examples