Evinrude Lower Unit Oil
Evinrude 90 Fichte uses oil weight 2000 to the lower unit?
I bought a high viscosity low gear lubricant Penzoil 80W-90 unit is a 225 hp
I have never used Penzoil. WTO recommends the use of ultra JI HPF mixture, which may not be available when you are more. I would say Sierra Marine Synthetic high performance mix, I used it creates outboard high performance horses and had no problems.