3. INSPECTION/ADJUSTMENT GRAND DINK 250 FUEL LINE/FUEL FILTER Remove the center cover. Check the fuel lines and replace any parts, which show signs of deterioration, damage or leakage. Check for dirty or clogged fuel filter and replace with a new one if it is clogged. · Do not smoke or allow flames or sparks in your working area. Fuel Filter Fuel Line THROTTLE OPERATION Check the throttle grip for smooth movement. Measure the throttle grip free play. Free Play: 26mm Major adjustment of the throttle grip free play is made with the adjusting nut at the carburetor side. Adjust by loosening the lock nut and turning the adjusting nut. Adjusting Nut Lock Nut Minor adjustment is made with the adjusting nut at the throttle grip side. Slide the rubber cover out and adjust by loosening the lock nut and turning the adjusting nut. Adjusting Nut Lock Nut 3-3