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YS 91 SR Helicopter Engine FEATURES: - Long Stroke design for more power
- New rear bearing for longevity
- Balanced crankshaft for a smoother run
- Pressurized and regulated fuel injection system
INCLUDES: - YS91 SR Helicopter Engine
- Check Valve
- Needle Valve
- English Operator's manual
SPECS: Displacement: 14.88 cc Bore: 27 mm Stroke: 26 mm Practical RPM Range: 2000-17,000 Weight Without Muffler: 533g |