What causes Fuel pump failure, common on high-mileage bikes on the Bmw F 650 Gs?

Hard starts, stalling, fuel pressure at tank Estimated fix cost: $150-$350

What causes Throttle body sync issues causing rough idle on the Bmw F 650 Gs?

Uneven idle, hesitation on acceleration Estimated fix cost: $50-$150

Ask for service history, listen for ticking Estimated fix cost: $200-$500

ABS warning light on dash during test ride Estimated fix cost: $300-$800

Known issues to inspect before buying a used Bmw F 650 Gs. What to check and how much repairs cost.

SERIOUS

Hard starts, stalling, fuel pressure at tank

Fix cost: $150-$350

MODERATE

Uneven idle, hesitation on acceleration

Fix cost: $50-$150

SERIOUS

Ask for service history, listen for ticking

Fix cost: $200-$500

MODERATE

ABS warning light on dash during test ride

Fix cost: $300-$800

☐Check full service history documentation

☐Test ride for smooth throttle response

☐Inspect for oil leaks around engine cases

☐Verify ABS and fuel pump function

Solid bike if maintained, avoid neglected examples