What causes Throttle body sync issues, rough idle on the Yamaha Yzf-r6?

Idle quality, hesitation between 4k-8k RPM range Estimated fix cost: $150-$300

What causes Stator and rectifier failure on the Yamaha Yzf-r6?

Check charging voltage, battery health, burnt smell Estimated fix cost: $200-$500

Service history, ticking noise, last valve check mileage Estimated fix cost: $400-$800

Weep hole under engine, coolant level, white residue Estimated fix cost: $150-$350

Known issues to inspect before buying a used Yamaha Yzf-r6. What to check and how much repairs cost.

MODERATE

Idle quality, hesitation between 4k-8k RPM range

Fix cost: $150-$300

SERIOUS

Check charging voltage, battery health, burnt smell

Fix cost: $200-$500

SERIOUS

Service history, ticking noise, last valve check mileage

Fix cost: $400-$800

MODERATE

Weep hole under engine, coolant level, white residue

Fix cost: $150-$350

☐Request full service and maintenance history

☐Check fairings for crash damage or repairs

☐Cold start test, listen for valve noise

☐Verify charging system with multimeter test

Reliable if maintained, neglect kills it fast