What causes Carburetor clogging from old fuel on the Sym Nht 125?

Cold start hesitation, rough idle, poor throttle response Estimated fix cost: $30-$80

What causes Worn variator rollers in CVT on the Sym Nht 125?

Sluggish acceleration, high RPM before moving Estimated fix cost: $40-$100

Slow crank, dim lights, electrical cut-outs Estimated fix cost: $20-$60

Oil streaks on fork legs, soft spongy handling Estimated fix cost: $80-$150

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

MODERATE

Cold start hesitation, rough idle, poor throttle response

Fix cost: $30-$80

MODERATE

Sluggish acceleration, high RPM before moving

Fix cost: $40-$100

MINOR

Slow crank, dim lights, electrical cut-outs

Fix cost: $20-$60

SERIOUS

Oil streaks on fork legs, soft spongy handling

Fix cost: $80-$150

☐Test cold start without choke assistance

☐Check CVT cover for belt dust buildup

☐Inspect frame welds for cracks or repairs

☐Verify service history and mileage consistency

Decent budget scooter, maintenance often neglected by owners