S p e c s: 788.104 (VA5T)

engine: single cylinder, air cooled 2-stroke
induction: piston ported
bore: unknown
stroke: unknown
cubic capacity: 125cc
compression ration: unknown
bhp at rpm: unknown
transmission: 3 speed constant mesh
1st gear: unknown
2nd gear: unknown
3rd gear: unknown
clutch: wet - multiplate
carburetor: Dell'Orto TA17B
main jet: 75
slide: 60
float: 7.5g metal
main air bleed:
throttle valve:
ignition: contact breaker & coil
ignition timing: unknown
breaker gap: 0.3 - 0.5 mm
voltage: 6 volt

Thanks to Kip Gebhardt for the image and carb info.