How much gearbox fluid?
 

Vehicle - 1994 Civic 5 Speed Manual

When changing the gearbox oil, the Honda owners manual indicates that 2
litres of gear box oil is necessary. However, to pour 2 litres of MTF into
the gearbox is virtually impossible unless you raise the vehicle in a manner
that forces the filler hole to be in the highest possible position. As soon
as the vehicle is lowered on a level ground, the fluid immediately begins to
spill out.

In addition, I made sure to that the old fluid was drained for over an hour
with the car raised so that the drain bolt was in the lowest possible
position.

If I go by the manual and fill the gearbox with MTF to the brim of the
filler hole, about 1.6 litres is all that is necessary.

Does anyone know what the correct amount is?