So nice. Link for a good infopage: http://www.rcshowcase.com/zdzb4.htm

Some specification:
Disp:    158.78cc / 9.69 ci
Power:    14 PS/bhp
RPM:    1200-6000
Weight: 5.4Kg / 11.9lbs
Prop:    28x12-16, 30x10-12, 32x10