Hi,
I assume you mean the X34-0. This is a 150cc OHV motorcycle. They sell for between GPB 1,200 - 2,000 depending on condition and originality. Parts are hard to find especially the tin ware.
There is some more info on: http://home.kpn.nl/leonhop3/
Regards,
Leon
http://home.planet.nl/~leonhop3/home_eng.html