You can use any 10-40 W oil that is intended for motorcycles, made for wet clutch use.
Use Honda 10w40 and you will not go wrong.
My owners manual for my 1984 Honda GoldWing says to use SAE 10W-40 Oil.
same as the engine oil
3.9 quarts.
how to change oil in a 1986 honda gold wing motorcycle
3.9 US Quarts
I use Motul 10w40. Good for the engine, clutch and stator. Check with your Honda dealer.
Yes, it is. However, there is separate gear oil in the final drive of the Goldwing, as it is shaft driven.
Water cooled.
9.8 ounces
Cuanto aceite llevan la suspensión delantera de la Honda goldwing gl 1500 modelo 89
Standard recommended Honda oil is 10W-40. It's worth the cost of getting Honda oil because of the shear factor needs of the wet clutch and transmission (although some people say that Mobil One has had good results too).