No. 91-93 will fit, and you shouldn't interchange auto and std.
Yes
Absolutely.
It will fit, but you will have to worry about the computer.
yes it will
No
no it would not fit it would either be to big or to small but it will not fit on a different model
Yes the two transmissions are interchangeable.
Yes
The 1992 Honda CR250 was a part of the KZ3 model line, which lasted from 1989-2003. A crankshaft from a 1992 model should fit a 1991 model without any problems then.
The answer is no it won't fit. You need an air intake box from a 1986-1989 Accord.
it should fit. but make sure the trans lines up. be for you try it
Dispite the different motors the transmissions are infact the same.