Specifications:Cylinders: SingleBenchmark Prop: 15x10Displacement: 22 ccHeight: 140.5mm bottom of mounting tab to top of mufflerOil Type & Content: 50:1 mix ratio 2-cycleProp Range: 16 x 8 - 17 x 8Width: 70mm at mounting tabsRPM Range: 1,800 - 9,000HP: 1.75PS 1.73HP @16,000 RPMIgnition Weight: 105 g