3.9 US quarts for all year 1800's. Just put in a full 4 qts.
According to the manual = 3.9 US qt.
Yes you can use a Full Synthetic Oil in your GoldWing. I recommend Amsoil 10W-40 Advanced Synthetic Motorcycle Oil (MCF) Hope This Helps
This bike takes about 3.7 quarts.
The S2000 takes 5.1 Quarts of Oil.
2.85 quarts
5 quarts
Take front fog cowling off. remove drain plug, and remove oil filter.
0.75 litres
3 quarts
.5L
7 quarts 5w20
No