3. INSPECTION/ADJUSTMENT GRAND DINK 250 CYLINDER COMPRESSION Warm up the engine before compression test. Remove the center cover and spark plug cap. Remove the spark plug. Insert a compression gauge. Open the throttle valves fully and pushes the starter button to test the compression. Compression: 152kg/cm If the compression is low, check for the following: Leaky valves Compression Gauge Valve clearance to small Leaking cylinder head gasket Worn pistons Worn piston/cylinder If the compression is high, it indicates that carbon deposits have accumulated on the combustion chamber and the piston head. Relax Pull FUEL TANK CAP CABLE WIRE Please inspect the fuel tank cap cable wire slack when operate the fuel tank cap hardly. Look Nut Adjust Nut SEAT CABLE WIRE Relax Pull Please inspect the seat cable wire when operate the seat hardly. Look Nut Adjust Nut 3-7