Give your 40-size plane the FSa power advantage!
Mount the FSa-56II in your model, and see the difference advanced O.S. 4-stroke technology makes! Those benefits include a higher performance ceiling for sport flyers and more realistic flight for scale pilots. Plus, you’ll also enjoy rich, deep sound that will enhance your flying experience.
- The popular FS56-a now features upgrades that make it even better than before!
- Blow-by oil exits through the breather nipple on the back plate, for more stable operation.
- Black rocker covers gives this engine a more impressive appearance.
- The F-4040 silencer can be positioned to achieve the ideal fit.
- Mounts with no-mod ease in the same space as the FS-56a.
Product Specifications
| Manufacturer # | 34330 |
| Bore | 0.945″ (24mm) |
| Crankshaft Type | Threaded |
| Power Type | Glow |
| Plug Type | F |
| Stroke | 0.81″ (20.6mm) |
| Displacement | 0.569 cu in (9.32 cc) |
| Muffler Type | 2-piece aluminum |
| Product Length | 5.2″ (131.3mm) from carb to front of drive hub |
| Crankshaft Threads | UNF1/4-28 |
| Muffler Weight | 1.48 oz (42 g) |
| Product Height | 3.3″ (84mm) bottom of mounting tab to top of rocker cover |
| Prop Range | 12×6-8 – 13×6-7 |
| RPM Range | 2,400 – 13,000 |
| Cylinders | Single |
| Product Width | 1.7″ (44mm) between mounting hole centers |
| Total Weight | 16.3 oz (461 g) |















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