What causes Carburetor clogging and poor idle on the Haojue Ufo 150?

Cold start behavior, idle smoothness, throttle response Estimated fix cost: $20-$50

What causes Worn drive belt and variator rollers on the Haojue Ufo 150?

Jerky acceleration, slipping, belt squeal under load Estimated fix cost: $30-$70

Electric start cranking speed, voltage under load Estimated fix cost: $25-$45

Oil residue on front forks, bouncy or stiff ride Estimated fix cost: $40-$90

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

MODERATE

Cold start behavior, idle smoothness, throttle response

Fix cost: $20-$50

MODERATE

Jerky acceleration, slipping, belt squeal under load

Fix cost: $30-$70

MINOR

Electric start cranking speed, voltage under load

Fix cost: $25-$45

MODERATE

Oil residue on front forks, bouncy or stiff ride

Fix cost: $40-$90

☐Test ride at full operating temperature

☐Inspect frame welds for cracks or repairs

☐Check all lights and instrument cluster function

☐Verify service history and mileage authenticity

Decent budget scooter, maintenance often neglected by owners