What causes CVT belt and roller wear on the Yamaha Mio 125?

Jerky acceleration, belt slipping, unusual rattling noise Estimated fix cost: $30-$60

What causes Fuel injector clogging on the Yamaha Mio 125?

Hard cold starts, rough idle, poor fuel economy Estimated fix cost: $20-$50

Slow crank, dim lights, frequent jump starts needed Estimated fix cost: $25-$45

Oil stains on fork legs, soft bouncy handling Estimated fix cost: $40-$80

Known issues to inspect before buying a used Yamaha Mio 125. What to check and how much repairs cost.

MODERATE

Jerky acceleration, belt slipping, unusual rattling noise

Fix cost: $30-$60

MODERATE

Hard cold starts, rough idle, poor fuel economy

Fix cost: $20-$50

MINOR

Slow crank, dim lights, frequent jump starts needed

Fix cost: $25-$45

SERIOUS

Oil stains on fork legs, soft bouncy handling

Fix cost: $40-$80

☐Test ride for smooth CVT engagement

☐Inspect fork legs for oil residue

☐Check cold start behavior carefully

☐Verify service and mileage history

Reliable commuter, maintain CVT and fuel system