Key Features
- Broad power band for a wide variety of airplanes including models designed for .60 2-stroke and .90 4-stroke engines
- Redesigned cylinder head to match angled valve layout for steady power at all times and a perfect balance between high combustion and efficient cooling
- Redesigned “Jet Stream” muffler with unique shape for more authentic four stroke sound
- Same mounting dimensions, drive hub position and linkage position as the O.S. FS-91 Surpass II, 61FX, 65LA, 75AX, 95AX and FS-110
















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