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YS120SR Helicopter Engine
 - Same mounting as 90-class engines, making it easy to add more power to existing 90-class helicopter platforms
- Designed for 15-20% nitro fuel, lowering operating costs without sacrificing power
- Proven factory-preset regulator for consistent, reliable operation — positive fuel flow during all conditions
- Steel-lined back plate to minimize drag, resulting in increased horsepower
- Larger cylinder head for better cooling
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