Go on line and type in Clymer Manual - You can get a manual from there for around $25.00.
The voltage on a 1984 Honda Shadow is 12 volt.
63 HP
http://en.allexperts.com/q/Motorcycle-Repair-837/1985-Honda-Shadow-Clutch.htm
I know Honda made a 400cc and a 750cc auto around that time, called Hondamatic. I don't think Harley made one.
Sitting on it the right side
The fire. order is 1-2
two 36 mm carbs
My owners manual for my 1984 Honda GoldWing says to use SAE 10W-40 Oil.
SAE 10w-30 oil
In the back of any repair manual.
No you don't have to drain the oil to change the stator.
There are four spark plugs in this bike's engine as it has a four cylinder V.