What causes Cam chain tensioner rattle on startup on the Honda Cb1000r?

Cold start noise, rattling from top end area Estimated fix cost: $150-$400

What causes Stator failure causing charging issues on the Honda Cb1000r?

Battery voltage at idle, electrical gremlins Estimated fix cost: $200-$500

Erratic idle, hesitation between 2000-4000 RPM Estimated fix cost: $100-$250

Oil residue on lower fork legs Estimated fix cost: $150-$300

Known issues to inspect before buying a used Honda Cb1000r. What to check and how much repairs cost.

MODERATE

Cold start noise, rattling from top end area

Fix cost: $150-$400

SERIOUS

Battery voltage at idle, electrical gremlins

Fix cost: $200-$500

MODERATE

Erratic idle, hesitation between 2000-4000 RPM

Fix cost: $100-$250

MINOR

Oil residue on lower fork legs

Fix cost: $150-$300

☐Check service history for cam chain work

☐Test charge voltage at idle and revs

☐Inspect fork legs for oil weeping

☐Listen for top-end rattle cold start

Solid engine, electrical gremlins main concern