What causes Regulator/rectifier failure, kills battery on the Honda Cbr500r?

Check voltage at idle, should read 13.5-14.5V Estimated fix cost: $80-$200

What causes Cam chain tensioner noise at startup on the Honda Cbr500r?

Listen for rattling on cold start near engine top Estimated fix cost: $50-$150

Look for oil residue on lower fork tubes Estimated fix cost: $100-$250

Known issues to inspect before buying a used Honda Cbr500r. What to check and how much repairs cost.

SERIOUS

Check voltage at idle, should read 13.5-14.5V

Fix cost: $80-$200

MODERATE

Listen for rattling on cold start near engine top

Fix cost: $50-$150

MODERATE

Look for oil residue on lower fork tubes

Fix cost: $100-$250

☐Check service history, valve clearances due at 16k

☐Inspect frame for crash damage or welds

☐Test all electrics, lights, and charging system

☐Cold start test, listen for unusual engine noise

Very reliable, minor issues easily manageable