any good multi grade oil will work fine.
8 litres
10w30
Mobil 1
I used Valvoline VV155 MaxLife SAE 5w30 Motor Oil in my 1990 acura legend
5w305w30
5w30
mine is a 92 xj6 and in the car handbook it has all the stuff jaguar reccommend. but i use castrol high mileage.jaguar reccommend castrol products.
20w-40
Pennzoil 5w-30
Yamaha recommeded 20/1
Normally on all motors, the oil pump is located above the oil pan inside the motor. This being the case, the motor will have to be extracted from the engine compartment where it can be accessed.
My 1990 takes 8-1/2 quarts, not positive if 1992 is the same capacity