Yes, it is. However, there is separate gear oil in the final drive of the Goldwing, as it is shaft driven.
The GL1100 has electronic ignition. No points.
83 horsepower
9.8 ounces
Honda Goldwing Gl1000 and gl1100 Motorcycle
1 down, and 4 up
dot 3 or 4
same as the engine oil
you remove the GoldWing cover on the left side of the bike above the passenger foot pedal
I use Motul 10w40. Check with your local dealer.
Any lower on those models, and the pipes will hit the road around the corners.
1984 to 1987 same engine same bike.
The oil drain plug is on the front of the motor below the oil filter.