| Catalog No. | O.S. Stock No. | Description | Optional? | Photo |
|---|
| OSMG7932 | 20810007 | Prop Nut 10453 .10-.12 | | Photo |
| OSMG8008 | 21109005 | Prop Washer .10-.12 | | Photo |
| OSMG3907 | 21205040 | Connecting Rod .12 Z/CV | | Photo |
| OSMG2814 | 21225000 | Muffler #871 .10-.15 | | Photo |
| OSMG9120 | 21620006 | Thrust Washer .10-.15 | | Photo |
| OSMG7630 | 21706000 | Piston Pin .15 FP/LA/CV/LD | | Photo |
| OSMG8648 | 21713000 | Screw Set .15 LA | | Photo |
| OSMG6263 | 21714100 | Head Gasket .15 LA | | Photo |
| OSMG4201 | 21751000 | Crankcase .15 LA | | |
| OSMG4477 | 21752000 | Crankshaft .15 LA | | Photo |
| OSMG4821 | 21753000 | Cylinder & Piston .15 LA | | Photo |
| OSMG4983 | 21754000 | Cylinder Head .15 LA | | Photo |
| OSMG4068 | 21757000 | Cover Plate Assembly .15 LA | | Photo |
| OSMG4067 | 21757100 | Cover Plate .15 LA | | Photo |
| OSMG5484 | 21758000 | Drive Washer .15 LA | | Photo |
| OSMG7013 | 21781970 | Needle .15 LA | | Photo |
| OSMG2419 | 21783000 | Carburetor #10G .15 LA | | Photo |
| OSMG7388 | 24981837 | Needle FS/FX/LA | | Photo |
| OSMG8852 | 26381501 | Setscrew #2D/#4BK-#5B | | Photo |
| OSMG8172 | 26711305 | Ratchet Spring #7H/#7D/#2K | | Photo |
| OSMG2690 | 71605300 | A3 Glow Plug Hot | | Photo |
