Stock Number Mfr Number Product Description Optional  OSMG6000  22681953  O.S. Fuel Inlet Nipple 12-240    OSMG3068  29031009  O.S. Front Bearing .90-300    OSMG3112  29130005  O.S. Rear Bearing .90-1.20    OSMG8988  45061202  O.S. Tappet Screw F40-300    OSMG3212  45231100  O.S. Camshaft Bearing F 40-120    OSMG3864  45484000  O.S. Choke Valve FS-61-91    OSMG4415  45501020  O.S. Crankcase 1.20 Surpass    OSMG3168  45501110  O.S. Cam Cover FS-120 Surpass    OSMG4703  45502011  O.S. Crankshaft FS-120E    OSMG5372  45503100  O.S. Cylinder Liner 1.20/2.40    OSMG7580  45503210  O.S. Piston FS-120    OSMG7824  45503400  O.S. Piston Ring FT-120/240    OSMG5235  45504020  O.S. Cylinder Head w/Valve FS-120 Surpass    OSMG5138  45504110  O.S. Cylinder Head FS-120 Surpass    OSMG8445  45504210  O.S. Rocker Cover 120 Surpass    OSMG4008  45505010  O.S. Connecting Rod FS-120    OSMG7748  45506010  O.S. Piston Pin FS-120    OSMG4151  45507010  O.S. Cover Plate FS-120E    OSMG5618  45508030  O.S. Drive Washer FS-120 II    OSMG9372  45508200  O.S. Woodruff Key 1.20-2.40    OSMG7928  45510100  O.S. Prop Locknut FS-120    OSMG8817  45513010  O.S. Screw Set FS-120 Surpass    OSMG6197  45514010  O.S. Gasket Set 1.20 Surpass    OSMG9134  45520000  O.S. Thrust Washer 120 Surpass    OSMG2861  45525001  O.S. Muffler FS-120 Surpass    OSMG6781  45525011  O.S. Muffler Body 1.20 Surpass    OSMG2721  45526010  O.S. Exhaust Header FS-120 Surpass    OSMG5709  45526100  O.S. Exhaust Pipe FS-120 Surpass    OSMG5688  45526200  O.S. Exhaust Joint 1.20 Surpass Optional  OSMG5691  45526300  O.S. Exhaust Joint Nut FS-120 Surpass    OSMG5778  45526400  O.S. Exhaust Pipe Nut FS-120 Surpass    OSMG3075  45530010  O.S. Rear Bearing FS 1.20 S-SP    OSMG9222  45560030  O.S. Valve Assembly Intake FS-120 Surpass    OSMG9223  45560040  O.S. Valve Assembly Exhaust FS-120 Surpass    OSMG9197  45560130  O.S. Valve Intake FS-120 Surpass    OSMG9198  45560140  O.S. Valve Exhaust FS-120 Surpass    OSMG9246  45560210  O.S. Valve Spring Intake FS-120 Surpass    OSMG9247  45560220  O.S. Valve Spring Exhaust FS-120 Surpass    OSMG9230  45560310  O.S. Valve Spring Retainer 1.20 Surpass    OSMG9226  45560410  O.S. Valve Collet FS-120 Surpass    OSMG8365  45561010  O.S. Rocker Arm Assy 1.20/3.00    OSMG8421  45561110  O.S. Rocker Arm 120/300    OSMG8403  45561401  O.S. Rocker Arm Support Assy 120 Surpass    OSMG3258  45562010  O.S. Camshaft FS-120 Surpass    OSMG3196  45564000  O.S. Cam Follower .91-300    OSMG8104  45566000  O.S. Pushrod 1.20-2.40    OSMG7449  45566101  O.S. Pushrod Cover Assembly 1.20 Surpass    OSMG7417  45566111  O.S. Pushrod Cover 120 Surpass    OSMG7377  45566310  O.S. O-Ring PRC 1.20 Surpass    OSMG6483  45569420  O.S. Intake Manifold Assembly FS-1.20 E    OSMG2508  45581000  O.S. Carburetor FS-120    OSMG8376  45761600  O.S. Rocker Arm Retainer FS-20-240    OSMG2692  71615009  O.S. Type F Glow Plug 4-Stroke Medium    OSMG2765  71904200  O.S. Motor Mount 1.20S/1.40 RX Optional  OSMG2682  72108201  O.S. Flex Pipe Short FS-120 Optional  OSMG2683  72108211  O.S. Flex Pipe Long FS-120 Optional  OSMG2622  72109200  O.S. Exhaust Manifold Inside FS-120S Optional  OSMG2623  72109300  O.S. Exhaust Manifold Outside FS-120S Optional  OSMG6334  72200060  O.S. 4-Stroke Valve Adjustment Kit Optional