What causes Carburetor clogging and rough idling on the Yamaha Sz-rr 150?

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

What causes Chain and sprocket excessive wear on the Yamaha Sz-rr 150?

Chain slack, sprocket teeth sharpness, rust or kinking Estimated fix cost: $30-$70

Battery voltage, wiring corrosion, indicator and headlight function Estimated fix cost: $15-$80

Oil residue around head and crankcase gaskets visually Estimated fix cost: $25-$60

Known issues to inspect before buying a used Yamaha Sz-rr 150. What to check and how much repairs cost.

MODERATE

Cold start behavior, idle stability, throttle response smoothness

Fix cost: $20-$50

MODERATE

Chain slack, sprocket teeth sharpness, rust or kinking

Fix cost: $30-$70

SERIOUS

Battery voltage, wiring corrosion, indicator and headlight function

Fix cost: $15-$80

MODERATE

Oil residue around head and crankcase gaskets visually

Fix cost: $25-$60

☐Check service history and oil change records

☐Test ride for gear shifting smoothness

☐Inspect frame for cracks or accident damage

☐Verify all lights and electrics function correctly

Decent commuter, reliable with regular basic maintenance