50cc Single Cylinder Engine Model Two Stroke Air Cooled Metal Engine Model Suitable for Remote Control Aircraft Model Toys

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Remend Age : 14+y material : metal

50cc Single Cylinder Engine Model Two Stroke Air Cooled Metal Engine Model Suitable for Remote Control Aircraft Model ToysPerformance Specifications Type: Single-cylinder, two-stroke, air-cooled Compression Ratio: 7.5:1 Displacement: 50cc Power: 3.9 hp at 7500 rpm Reference Pulling Force: 11 kg Complete Weight: Engine 1345 g + Exhaust Pipe 110 g + Ignition System 110 g + Four Engine Struts (85 g each) + Ten Supporting Screws (50 g each) Fuel Instructions: Model gasoline engines generally use 90-octane gasoline. The higher the octane rating of the gasoline used, the more lubricating oil should be added. During the run-in period (6-8 hours) for new gasoline engines, use a 20:1 fuel/oil mixture ratio; after this period, adjust to 25:1 or 30:1