What causes Carburetor gumming from ethanol fuel sitting on the Qj Motor 125t-26?

Cold start difficulty, rough idle, hesitation on throttle Estimated fix cost: $20-$60

What causes Worn rear drum brake with poor stopping power on the Qj Motor 125t-26?

Spongy feel, excessive lever travel, grinding noise Estimated fix cost: $15-$40

Battery dies frequently, dim lights at idle Estimated fix cost: $30-$80

Ticking noise on cold start, top-end clatter Estimated fix cost: $20-$50

Known issues to inspect before buying a used Qj Motor 125t-26. What to check and how much repairs cost.

MODERATE

Cold start difficulty, rough idle, hesitation on throttle

Fix cost: $20-$60

SERIOUS

Spongy feel, excessive lever travel, grinding noise

Fix cost: $15-$40

MODERATE

Battery dies frequently, dim lights at idle

Fix cost: $30-$80

MODERATE

Ticking noise on cold start, top-end clatter

Fix cost: $20-$50

☐Start cold, listen for top-end noise

☐Check battery voltage under load

☐Inspect brake lever feel and pad wear

☐Verify title is clean and unchained

Decent budget scooter, maintenance often neglected by owners