What causes Cam chain tensioner rattle on startup on the Honda Cb650r?

Cold start noise, listen for metallic rattling sound Estimated fix cost: $200-$400

What causes Throttle-by-wire erratic idle or stalling on the Honda Cb650r?

Idle stability, throttle body sync needed after mods Estimated fix cost: $50-$150

Inspect headers for discoloration and heat damage Estimated fix cost: $0-$300

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

Known issues to inspect before buying a used Honda Cb650r. What to check and how much repairs cost.

MODERATE

Cold start noise, listen for metallic rattling sound

Fix cost: $200-$400

MODERATE

Idle stability, throttle body sync needed after mods

Fix cost: $50-$150

MINOR

Inspect headers for discoloration and heat damage

Fix cost: $0-$300

MODERATE

Oil residue on lower fork legs, check carefully

Fix cost: $150-$300

☐Cold start the bike, listen carefully

☐Check service history for valve clearances

☐Inspect fork legs for oil seepage

☐Test throttle response at all RPM ranges

Solid engine, minor issues easily managed with maintenance