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 Tahoe original 5.3 4x4 only 435k
-Down to 2 three wheelers
-1985 V65 Magna
-1983 Nighthawk 650
-1973 CT70(soon to have a 125 motor)