What causes Stator failure, causes charging issues on the Yamaha Yzf-r1?

Battery voltage at idle, flickering lights, dead battery Estimated fix cost: $300-$600

What causes Throttle body sync issues, rough idle on the Yamaha Yzf-r1?

Uneven idle, hesitation, surging at low RPM Estimated fix cost: $100-$250

Ticking on cold start, service history available Estimated fix cost: $200-$500

Remove fairings, inspect frame sliders, subframe, forks Estimated fix cost: $500-$3000

Known issues to inspect before buying a used Yamaha Yzf-r1. What to check and how much repairs cost.

SERIOUS

Battery voltage at idle, flickering lights, dead battery

Fix cost: $300-$600

MODERATE

Uneven idle, hesitation, surging at low RPM

Fix cost: $100-$250

MODERATE

Ticking on cold start, service history available

Fix cost: $200-$500

SERIOUS

Remove fairings, inspect frame sliders, subframe, forks

Fix cost: $500-$3000

☐Pull fairings, inspect frame for cracks

☐Check service history, valve clearances done

☐Test ride, listen for chain/engine noise

☐Verify charging system with multimeter

Reliable if maintained, avoid neglected examples