What causes Carburetor clogging and rough idle on the Haojue Tr300?

Cold start behavior and idle smoothness at warm-up Estimated fix cost: $20-$60

What causes Chain and sprocket wear from neglect on the Haojue Tr300?

Chain slack, sprocket teeth sharpness, rust presence Estimated fix cost: $30-$80

All lights, indicators, and ignition response consistency Estimated fix cost: $10-$40

Oil stains on fork tubes, soft or bouncy front end Estimated fix cost: $40-$100

Known issues to inspect before buying a used Haojue Tr300. What to check and how much repairs cost.

MODERATE

Cold start behavior and idle smoothness at warm-up

Fix cost: $20-$60

MODERATE

Chain slack, sprocket teeth sharpness, rust presence

Fix cost: $30-$80

MINOR

All lights, indicators, and ignition response consistency

Fix cost: $10-$40

MODERATE

Oil stains on fork tubes, soft or bouncy front end

Fix cost: $40-$100

☐Test cold start without choke assistance

☐Inspect frame welds for cracks or repairs

☐Check brake pad thickness front and rear

☐Verify odometer against overall wear condition

Decent budget commuter, maintenance history matters most