As far as modelers are concerned, there’s no sound like the sweet sound of a SaitoTM engine. Saito’s latest wonder is the FA-40a, which shares nearly the same case size as the FA-30, but packs a whole lot more punch. All this power coupled with solid Saito craftsmanship and the standard 3-year warranty is sure to make this potent little 4-stroke one of the year’s most anticipated engines. As with most Saito engines, a special Golden Knight edition is available with a gloss black case and gold plated rocker covers.
| Benchmark Prop | 11x5 APC @ 10600 | 
| Bore | 0.86 in (22.0 mm) | 
| Crankshaft Threads | 1/4 x 28 | 
| Crankshaft Type | Ball Bearing | 
| Cylinders | Single | 
| Cylinder Type | AAC | 
| Displacement | .40 cu. in. (6.5 cc) | 
| Engine (Only) Weight | 10.24 oz | 
| Power Type | Glow | 
| Muffler Type | 2 - Piece | 
| Muffler Weight | 0.40 oz | 
| Prop Range | 10x7 - 11x6 | 
| Stroke | 0.68 in (17.40 mm) | 
| Total Weight | 10.64 oz | 
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