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

Idle quality, hesitation at low RPM during test ride Estimated fix cost: $100-$200

What causes Fuel pump failure on high-mileage units on the Bmw G 650 Gs?

Hard starting, stuttering above half throttle under load Estimated fix cost: $300-$500

Slack, kinks, worn sprocket teeth visually inspect both Estimated fix cost: $150-$300

Oil residue on lower fork legs, check both sides Estimated fix cost: $80-$200

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

MODERATE

Idle quality, hesitation at low RPM during test ride

Fix cost: $100-$200

SERIOUS

Hard starting, stuttering above half throttle under load

Fix cost: $300-$500

MODERATE

Slack, kinks, worn sprocket teeth visually inspect both

Fix cost: $150-$300

MINOR

Oil residue on lower fork legs, check both sides

Fix cost: $80-$200

☐Check service history, especially valve clearances

☐Test cold start, listen for top-end ticking

☐Inspect frame for crash damage or welds

☐Verify ABS warning light clears after startup

Solid single-cylinder, reliable with basic maintenance