... seal,screw plug, cover plug, cylinder liner, hexagon bolt, plain washer, tooth lock washer, cylinder head bolt, straight pin, sleeve,packing compound, crankcase end ... , heel,adapter, connection rod, con-rod cover, con-rod bolt,big end bush,con-rod bearing,piston set of piston ... rings, piston pin,snap ring, cylinder head cover, valve seat intake, valve seat exhaust, cover, valve ...