3. INSPECTION/ADJUSTMENT DINK50/125 FUEL LINE/FUEL FILTER Check the fuel lines (2) and replace any parts which show signs of deterioration, damage or leakage. Check for dirty or clogged fuel filter (1) and replace with a new one if it is clogged. Do not smoke or allow flames or sparks in your working area. THROTTLE OPERATION Check the throttle grip for smooth movement. Measure the throttle grip free play. Free Play: 26 mm (0.080.24 in) Major adjustment of the throttle grip free play is made with the adjusting nut (2) at the carburetor side. Adjust by loosening the lock nut (1) and turning the adjusting nut. 3-4