What causes Throttle body sync causes rough idle/surging on the Moto Guzzi Breva 1100?

Ride at steady 30-40mph, feel for hunting/surging Estimated fix cost: $50-$150

What causes Rear bevel drive oil leaks or wear on the Moto Guzzi Breva 1100?

Inspect bevel box for oil seepage, check lash Estimated fix cost: $300-$800

Test charging voltage, should read 13.8-14.5V running Estimated fix cost: $200-$500

Ask for service history, listen for ticking at idle Estimated fix cost: $150-$300

Known issues to inspect before buying a used Moto Guzzi Breva 1100. What to check and how much repairs cost.

MODERATE

Ride at steady 30-40mph, feel for hunting/surging

Fix cost: $50-$150

SERIOUS

Inspect bevel box for oil seepage, check lash

Fix cost: $300-$800

SERIOUS

Test charging voltage, should read 13.8-14.5V running

Fix cost: $200-$500

MODERATE

Ask for service history, listen for ticking at idle

Fix cost: $150-$300

☐Verify bevel drive service history

☐Check battery voltage and charging output

☐Confirm throttle body sync recently done

☐Look for frame corrosion near swingarm pivot

Solid if maintained, expensive when neglected