Engine Specs. for ACME AD 320  
Displacement 315cm3
Power @ 3600 rpm 7 Hp / 5.1 kW
Cylinders 1
Bore 78 mm
Stroke 66 mm
Compression Ratio 20:3:1
Max Torque 15 Nm
Oil sump Capacity 1.2 Lts
Fuel Tank Capacity 4.3 Lts
Dimensions WxLxH  
Dry Weight 33 Kg