O.S. 65AX ENGINE WITH MUFFLER Read more.
| Manufacturer # | 16521 |
| Bore | 0.95" (24 mm) |
| Carb Type | Rotary |
| Crankshaft Threads | UNF5/16-24 |
| Crankshaft Type | Threaded |
| Cylinders | Single |
| Displacement | 0.65 cu in (10.6 cc) |
| Engine (Only) Weight | 17.5 oz (497 g) w/o muffler |
| Power Type | Glow |
| Muffler Type | 2-piece aluminum |
| Muffler Weight | 17.53 oz (497 g) |
| Oil Type & Content | At least 18% synthetic lubricant |
| Plug Type | O.S. #8 |
| Product Height | 3.1" (78.5mm) crankcase bottom to top of cylinder head |
| Product Length | 3.7" (93.3mm) from back plate to front of drive hub |
| Product Width | 2.4" (60mm) at mounting tabs |
| RPM Range | 2,500 - 16,000 |
| Stroke | 0.93" (23.5mm) |
