YS Engines 115FZ-WS 4-Stroke Glow Airplane Engine (Warbird Special)


This is the YS 115FZ-WS 4-Stroke Glow Airplane Engine. The Ys 115FZ-WS is designed for Warbird type Pylon Racing and features a re-designed piston that is better suited to higher nitro content fuels for increased power. Plus, an improved, balanced crankshaft delivers smoother operation with less vibration at higher RPM's.


  • Crankcase Supercharging system
  • Proven regulator design for easier adjustment
  • Pressurized fuel injection
  • Crankcase ring for increased crankcase boost

Bore: 30.4mm
Stroke: 25.8mm                      
Weight (engine): 730g (35.2oz)
Practical RPM:

This product was added to our catalog on June 18, 2013.

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