What causes Desmodromic valve service overdue on the Ducati St4s?

Ask for service history, interval every 7500 miles Estimated fix cost: $600-$1200

What causes Coolant hose leaks and water pump failure on the Ducati St4s?

Inspect hoses and weep hole for coolant residue Estimated fix cost: $200-$500

Check dash lights, fuel pump prime, all electrics Estimated fix cost: $50-$300

Inspect welds around rear subframe visually Estimated fix cost: $300-$800

Known issues to inspect before buying a used Ducati St4s. What to check and how much repairs cost.

SERIOUS

Ask for service history, interval every 7500 miles

Fix cost: $600-$1200

MODERATE

Inspect hoses and weep hole for coolant residue

Fix cost: $200-$500

MINOR

Check dash lights, fuel pump prime, all electrics

Fix cost: $50-$300

SERIOUS

Inspect welds around rear subframe visually

Fix cost: $300-$800

☐Confirm valve service was completed recently

☐Cold start the engine, listen for ticking

☐Check for coolant leaks under bike

☐Verify all electrics and instruments function

Rewarding but maintenance-intensive, budget accordingly