| Catalog No. | O.S. Stock No. | Description | Optional? | Photo |
|---|
| OSMG7944 | 23210007 | Prop Nut 1/4 .20-.61 | | Photo |
| OSMG3860 | 23818190 | Carburetor Washer #20A/B | | Photo |
| OSMG3644 | 23981700 | Carburetor Retainer .21 EX-B/R | | Photo |
| OSMG4310 | 25201000 | Crankcase .50 SX-H | | Photo |
| OSMG4590 | 25202000 | Crankshaft .50 SX-H | | Photo |
| OSMG5279 | 25203100 | Cylinder Liner .50 SX-H | | Photo |
| OSMG7515 | 25203200 | Piston .50 SX-H | | Photo |
| OSMG2740 | 25204000 | Heat Sink Head .50 SX-H | | Photo |
| OSMG3954 | 25205000 | Connecting Rod .50 SX-H | | Photo |
| OSMG7691 | 25206000 | Piston Pin .50 SX-H | | Photo |
| OSMG4122 | 25207000 | Cover Plate .50 SX-H | | Photo |
| OSMG6134 | 25214000 | Gasket Set .50 SX-H | | Photo |
| OSMG7482 | 25217000 | Piston Pin Retainer .50 SX-H | | Photo |
| OSMG2433 | 25281000 | Carburetor Complete #40E | | Photo |
| OSMG7790 | 25303400 | Piston Ring .46 SF/H | | Photo |
| OSMG8743 | 25613000 | Screw Set .40-.46 FX | | Photo |
| OSMG3043 | 26730010 | Rear Bearing .50 SX-H | | Photo |
| OSMG3060 | 26731002 | Front Bearing .40-240 | | Photo |
| OSMG5559 | 27708010 | Drive Washer .61S RFH/SX | | Photo |
| OSMG9358 | 27708200 | Woodruff Key .61 S/RFH | | Photo |
| OSMG9136 | 46120000 | Thrust Washer FT-120/160 | | Photo |
| OSMR2976 | 71521000 | Socket Wrench | | Photo |
| OSMG2691 | 71608001 | #8 Glow Plug Medium Hot | | Photo |
| OSMG6462 | 71705000 | Inflight Control Needle #40E | Optional | Photo |
