O.S. FS-30S SURPASS

• Displacement: 4.89cc (.299 cu in)
• Bore: 19.5mm (.767")
• Stroke: 16.4mm (.648")
• Power Output: .5 HP at 10,000 RPM
• Weight with muffler: 10.4oz (295g)
• Weight without muffler: 9.8oz (278g)
• Practical RPM Range: 2,500 - 13,000 RPM
• Crankshaft Thread Size: 1/4-28
• Prop(s): 9x6, 9x7, 10x4, or 10x6