YS Heli Engine: 56SR

The YS 56SR Heli Engine features the patented YS regulated fuel system for positive fuel flow during all types of flight conditions. The pressurized fuel system makes throttle response superior and is unaffected by tank level.

The 56SR will fit in any helicopter that fits the YS .50ST, OS .50SX-H or .55HZ, and gives you even higher performance with better cooling thanks to the bigger cylinder head design.

Key Features:
- Bore: 23.0mm
- Stroke: 22.0mm
- Displacement: 9.14 cc
- Weight: 406 grams

Whether you fly for fun or trophies, YS engines are the only choice for performance-minded modellers. Every YS engine is designed, built and manufactured to provide the most power possible.

YS engines are huge horsepower in a small package!. YS Engines are the Quite Achievers


 

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