What causes Carburetor clogging from ethanol fuel deposits on the Sym Wolf 150?

Rough idle, hesitation, hard starting when warm Estimated fix cost: $40-$80

What causes Worn variator rollers causing poor acceleration on the Sym Wolf 150?

Sluggish takeoff, high RPM with slow speed gain Estimated fix cost: $30-$60

Oil residue around cylinder head and engine casing Estimated fix cost: $80-$150

Known issues to inspect before buying a used Sym Wolf 150. What to check and how much repairs cost.

MODERATE

Rough idle, hesitation, hard starting when warm

Fix cost: $40-$80

MODERATE

Sluggish takeoff, high RPM with slow speed gain

Fix cost: $30-$60

SERIOUS

Oil residue around cylinder head and engine casing

Fix cost: $80-$150

MINOR

Check connectors, fuses, and battery terminals for corrosion

Fix cost: $20-$50

☐Cold start test, check for smoke

☐Inspect frame welds for cracks

☐Test brakes front and rear firmly

☐Check belt and variator for wear

Decent budget scooter, needs regular maintenance attention