Specifications:

Displacement:9.95cc(x7)
Bore:24.0mm
Stroke:22.0mm
Practical RPM:1,500-7,000
Output:4.1hp/8,000rpm
Weight:3167g

Included:

Engine mount
valve adjusting kit
radial mount and hardware kit
needle valve extention cable
#F glow plug
needle valve extention cable set and aluminum case