How do you put fork oil in a fork?

Yes.

you apply oil to the suspension area and then push it up and down to work the oil in.

13 ounces

Capacity for each leg for VT700 and 750 For 1986 and on it is 442.5 - 447.5cc (14.99 - 15.16oz)

3 oz each fork. automatic transmission fluid is ok to use.