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

Cold start difficulty, rough idle, hesitation on throttle Estimated fix cost: $30-$80

What causes Worn drive belt and variator rollers on the Sym Symphony 125?

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

Oil residue on front forks, soft or bouncy handling Estimated fix cost: $60-$120

Slow start, dim lights, frequent jump-starting needed Estimated fix cost: $20-$60

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

MODERATE

Cold start difficulty, rough idle, hesitation on throttle

Fix cost: $30-$80

MODERATE

Slipping acceleration, vibration, high RPM before moving

Fix cost: $40-$100

MODERATE

Oil residue on front forks, soft or bouncy handling

Fix cost: $60-$120

MINOR

Slow start, dim lights, frequent jump-starting needed

Fix cost: $20-$60

☐Test cold start without choke assistance

☐Check belt by riding uphill hard

☐Inspect forks for oil stains visually

☐Verify lights and horn work properly

Decent budget scooter, maintain belt and carb