10w40?
10w40 will do.
Honda motor oil 10 w40 sj only
20w50
3.3 quarts
3.3 US quarts
10W40, 3.5 liters for a V45 1982
3.1 Quarts....Honda Oil GN4 10w-40w or Shell Rotella T Synthetic.
10w40 will do just fine.
My 97' Honda Magna's owners manual states that the crankcase will hold approximately 3.1 liters or 3.3 US quarts, 2.7 Imp quarts
8.81 oz per fork.
its 10w 40 and 3.5q