NEW YS 56 SR's are in!

Y E S!

The Brand NEW YS Heli Engine: 56SR is in our hands. Pick yours up today!

- 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