2. INSPECTION/ADJUSTMENT ZING125 FUEL LINE/FILTER Check the fuel lines and replace any parts, which show signs of deterioration, damage or leakage. Do not smoke or allow flames or sparks in your working area. Fuel Filter Fuel Line THROTTLE OPERATION Check for smooth throttle grip movement in all steering positions. Measure the throttle grip free play. Free Play: 26mm Adjust the throttle grip free play by turning the adjusting nut on the throttle cable. Slide the dust boot out and adjust by loosening the lock nut and turning the adjusting nut. Lock Nut Adjusting Nut Dust Boot 2-3