| Catalog No. | O.S. Stock No. | Description | Optional? | Photo |
|---|
| OSMG2814 | 21225000 | Muffler #871 .10-.15 | | Photo |
| OSMG3901 | 21505001 | Connecting Rod .15 FP | | Photo |
| OSMG8012 | 21509019 | Prop Washer .15 | | |
| OSMG7940 | 21510003 | Prop Nut .15 | | Photo |
| OSMG4476 | 21602002 | Crankshaft .15 | | |
| OSMG5480 | 21608006 | Drive Washer .10-.15 | | Photo |
| OSMG9120 | 21620006 | Thrust Washer .10-.15 | | |
| OSMG4198 | 21701000 | Crankcase .15 FP/S | | |
| OSMG4824 | 21703000 | Cylinder & Piston .15 FP/S | | Photo |
| OSMG4966 | 21704000 | Cylinder Head .15 FP/S | | Photo |
| OSMG7630 | 21706000 | Piston Pin .15 FP/LA/CV/LD | | Photo |
| OSMG4066 | 21707000 | Cover Plate .15 FP/S | | Photo |
| OSMG6034 | 21714000 | Gasket Set .15 FP/S | | Photo |
| OSMG2486 | 21781000 | Carburetor #15 .15 FP | | Photo |
| OSMG2125 | 21790010 | Parts Pack .15 FP | | Photo |
| OSMG8680 | 22513002 | Screw Set .15-.25 | | |
| OSMG2691 | 71608001 | #8 Glow Plug Medium Hot | | Photo |
| OSMG2302 | 71916000 | Back Plate Mount .15 FP | | Photo |
| OSMG2584 | 21125108 | Muffler Extension 761/871 | Optional | Photo |
| OSMG2596 | 21125502 | Muffler Adapter 90 Degree #761/871 | Optional | Photo |
| OSMG2920 | 21524001 | Spinner Nut .15 | Optional | Photo |
| OSMG2794 | 71909300 | Motor Mount .15 FP/S | Optional | |
| OSMG2250 | 72110000 | Universal Muffler Assembly .10-.15 FP | Optional | Photo |
