Parts list: № Number Qty Name Options 1 MIU12403 2 Piston STD 1 MIU12407 1 Piston OS = 0.5 mm 2 MIU13270 2 Piston Pin 3 MIU12405 2 Piston Ring Kit STD, Set of 5 3 MIU12406 1 Piston Ring Kit OS = 0.5 mm, STD, Set of 5 4 MIU13077 1 Crankshaft 5 MIA11615 2 Connecting Rod 6 MIU12408 4 Snap Ring 7 M146763 4 Bolt Next page: ST853411 Flywheel Screen, Fan Housing and Engine Shrouds ( - 110000) ST842429 Engine and Throttle ST1008108 Flywheel Screen, Fan Housing and Engine Shrouds (110001 - ) ST853460 Engine Gasket ST853439 Camshaft and Valves ST853573 Home Maintenance Kit (Not for Canada and USA) ST853457 Cylinder Head and Crankcase ST853455 Engine Oil Pump and Filter ST853426 Piston and Crankshaft ( - 110000) PICT-21.1 21 Engine (Not for Canada and USA) MM18197