91SR-3DS

HELI 2-Stroke Engine

• NEW Larger cylinder head for better cooling and performance
• NEW Steel lined backplate to minimize drag resulting in better performance and increased horsepower
• NEW Piston & Sleeve design increasing both performance and efficiency
• Proven Regulated fuel system for positive fuel flow during all types of flight conditions

• • DISPLACEMENT: 14.89cc
  • BORE：27mm
  • STROKE：26mm
  • WEIGHT: 553g
  • PRACTICAL RPM: 2000~17,000

PREVIEW VIDEO: Tim Jones Flies the NEW YS 91SR-3DS High Performance Helicopter Nitro Motor Trailer

Video provided by RCHeliResource.com

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