Q. Disassembly of '86 Mazda 626 front hub assy.?

You need to look at section 9 under front hub and knuckle in the real 1986 mazda shop manual.

Well by the book this is the most complex rotor replacement I've ever looked at. Well what feels like a small warp in the rotor on my '86 626 isn't getting addressed.... too much trouble.

It's hard to do it justice in a post, but this is basically how it goes, dissconnect tie rod end, remove the center nut, remove caliper assembly, disconnect the knuckle (think spindle for a RWD car) from the strut and lower ball joint, uncouple the assembly from the drive shaft, pull the whole unit from the car, use wheel hub puller to disconnect wheel hub and rotor assembly, diassemble disc plate (rotor) from the hub making alignment marks before hand. So yes all hand tools, but the puller isn't a common one.

By the looks of the drawing it's some mazda special tool. I've seen similiar pullers that will probably work. It's two plates that mount to the knuckle with bolts and between them is a 'base' that the puller threads through with a pushing head on it.

Anyway the meat of it is on page 9:22