What causes Stator/charging system failure on the Yamaha Fz6?

Battery voltage at idle, look for dimming lights Estimated fix cost: $150-$400

What causes Throttle body sync needed, rough idle on the Yamaha Fz6?

Idle quality, hesitation between 3000-5000 RPM Estimated fix cost: $80-$200

Oil residue on lower fork tubes, soft front end Estimated fix cost: $100-$250

Coolant color, hose condition, radiator fins for damage Estimated fix cost: $50-$150

Known issues to inspect before buying a used Yamaha Fz6. What to check and how much repairs cost.

SERIOUS

Battery voltage at idle, look for dimming lights

Fix cost: $150-$400

MODERATE

Idle quality, hesitation between 3000-5000 RPM

Fix cost: $80-$200

MODERATE

Oil residue on lower fork tubes, soft front end

Fix cost: $100-$250

SERIOUS

Coolant color, hose condition, radiator fins for damage

Fix cost: $50-$150

☐Check for crash damage on fairings and frame

☐Verify stator output with multimeter test

☐Inspect fork tubes for oil weeping

☐Confirm service history and fluid changes

Solid engine, electrical gremlins are main concern