Per the shop manual:
w/ disassembly: 3.5 L (3.7 US qt)
w draining: 3.0 L (3.2 US qt)
You can download the manual at repairmanualclub.com
Your 1986 VT700 Shadow holds 3 quarts when you change the filter
63 HP
Sitting on it the right side
The fire. order is 1-2
2.1 Quarts
5 quarts
54.2 liters
At servicing/oil change I use approximately 6 litres of engine oil
6.8 quarts
The XT 250 takes 1.3 liters of oil.
According to the Honda 1984 XR500R Owner's Guide, the engine oil capacity is 2.1 US quarts after draining.
When I get my oil changed it is just shy of 8 quarts on my 1984 190 D.