400ex, parts everywhere, cheap to fix/maintain, good quality. don't know anything about the Z400 other then there is a lot less of them out there then 400EXs.
-2001 Jincheng Panda(Honda Clone)
-1985 ATC70 with 125cc motor
-1998 CBR600F3 $2,800 obo
-1973 CT70 with 125cc motor