What causes Throttle body sync causes rough idle/surging on the Kawasaki Versys 1100?

Idle quality, hesitation between 2000-4000 RPM Estimated fix cost: $80-$150

What causes Fuel pump failure on higher mileage units on the Kawasaki Versys 1100?

Hard starts, sputtering under load at highway speed Estimated fix cost: $200-$400

Battery voltage at idle, check regulator heat discoloration Estimated fix cost: $150-$300

Oil residue on lower fork legs, wipe and inspect Estimated fix cost: $100-$250

Known issues to inspect before buying a used Kawasaki Versys 1100. What to check and how much repairs cost.

MODERATE

Idle quality, hesitation between 2000-4000 RPM

Fix cost: $80-$150

SERIOUS

Hard starts, sputtering under load at highway speed

Fix cost: $200-$400

SERIOUS

Battery voltage at idle, check regulator heat discoloration

Fix cost: $150-$300

MINOR

Oil residue on lower fork legs, wipe and inspect

Fix cost: $100-$250

☐Test ride above 4000 RPM for surging

☐Check battery voltage with multimeter running

☐Inspect fork legs for oil seepage

☐Verify service history and valve clearance records

Generally solid, maintenance neglect is main concern