What causes Regulator/rectifier failure, kills battery on the Honda Cb500 Hornet (cb500f)?

Voltage at idle and rev, check for dimming lights Estimated fix cost: $80-$200

What causes Cam chain tensioner rattle on startup on the Honda Cb500 Hornet (cb500f)?

Cold start noise, disappears when warm is OK Estimated fix cost: $50-$150

Oil residue on fork legs below seals Estimated fix cost: $100-$250

Uneven idle, slight hesitation on low throttle Estimated fix cost: $50-$100

Known issues to inspect before buying a used Honda Cb500 Hornet (cb500f). What to check and how much repairs cost.

SERIOUS

Voltage at idle and rev, check for dimming lights

Fix cost: $80-$200

MODERATE

Cold start noise, disappears when warm is OK

Fix cost: $50-$150

MODERATE

Oil residue on fork legs below seals

Fix cost: $100-$250

MINOR

Uneven idle, slight hesitation on low throttle

Fix cost: $50-$100

☐Check charging voltage at 3000rpm

☐Listen for cold start cam chain rattle

☐Inspect fork legs for oil weeping

☐Review full service history for valve checks

Generally solid, minor electrics are main concern