4.5 qts
19mm
5W20 any major brand.
6.5 quarts of oil
7 quarts us oil
If your leaving the eingine in the vehicle, you shouldn't need too.
A = Change the oil/filter 1 = Rotate the tires 2 = Replace the Air Filter 6 = Replace Differential Fluid
Per the Honda Service Manual: 4.2 US Qt without changing the filter and 4.5 US Qt. with filter change. Should be in the owner's manual too.
6 Qts with a new filter.
5 quarts with a filter
10 quarts
B = Change oil/filter 1 = Rotate and inspect tires 4 = Replace spark plugs and timing belt