What causes Carburetor clogging from ethanol fuel deposits on the Sym Jet X 125?

Rough idle, hesitation on throttle, hard cold starts Estimated fix cost: $40-$80

What causes Corroded or weak battery from poor storage on the Sym Jet X 125?

Slow crank, dim lights, voltage under 12.4V Estimated fix cost: $30-$60

Oil residue on fork legs, soft spongy front end Estimated fix cost: $80-$150

Slipping feel, high RPM with slow speed pickup Estimated fix cost: $60-$120

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

MODERATE

Rough idle, hesitation on throttle, hard cold starts

Fix cost: $40-$80

MODERATE

Slipping feel, high RPM with slow speed pickup

Fix cost: $60-$120

MINOR

Slow crank, dim lights, voltage under 12.4V

Fix cost: $30-$60

SERIOUS

Oil residue on fork legs, soft spongy front end

Fix cost: $80-$150

☐Test ride for smooth acceleration and gear changes

☐Check service history and belt replacement records

☐Inspect frame welds for cracks or crash damage

☐Verify odometer matches engine and body wear level

Decent budget scooter, reliable with basic maintenance