9ENGINE ASSEMBLYITEM PART NO. QTY. DESCRIPTION1 ............ 102036 ............ 1 ............ BELT GUIDE 36" MODEL.......................................... 1 ............ BELT GUIDE 48" MODEL2 ............ 106504 ............ 1 ............ HEAVY WASHER3 ............ 990669 ............ 4 ............ HCS 5/16 X 1.7504 ............ 101834 ............ 1 ............ PULLEY5 ............ 101995 ............ 1 ............ KEY 1/4SQ X 1.1256 ............ 990187 ............ 4 ............ WASHER 5/16 LOCK7 ............ 990692 ............ 3 ............ WASHER 5/16 FLAT8 ............ 990247 ............ 1 ............ WASHER 7/16 LOCK9 ............ 100141 ............ 1 ............ HCS 7/16 X 1.50010 ........... 990184 ............ 4 ............ NUT 5/16 LOCK11 ........... 101720 ............ 1 ............ SPACER12 ........... 101719 ............ 1 ............ PULLEY13 ........... 102067 ............ 1 ............ KEY 1/4SQ X .75014 ........... 102264 ............ 1 ............ WIRE HARNESS(NOT SHOWN)15 ........... 103462 ............ 1 ............ BELT GUIDE 36" MODEL.......................................... 2 ............ BELT GUIDE 48" MODEL16 ........... 102050 ............ 1 ............ MACH. BUSHING17 ........... 912222 ............ 4 ............ HOSE CLAMP18 ........... 932956 ............ 2 ............ FUEL LINE19 ........... 916325 ............ 1 ............ FUEL VALVE20 ........... 103463 ............ 1 ............ BELT GUIDE 36" MODEL ONLY