SPECIFICATIONS:Displacement: 0.75 cu in (12.3 cc)Bore: 1.02 in (25.8 mm)Stroke: 0.93 in (23.5 mm)Practical rpm: 2,000-16,000Output: 2.4 hp @ 15,000 rpmWeight: 19.4 oz (550 g)Includes: glow plug, E-3010 mufflerRecommended Props: 14x6, 14x8, 15x7