1955 fastwin lower unit oil

[oxbeast1210]

1955 fastwin 3hp

hi guys Im having trouble finding information on what type of lower unit oil i need to use .what type do you guys recommend for me to use on my motor?
thank you

 

[oxbeast1210]

Re: 1955 fastwin lower unit oil

found it thanks

Lower unit oil: OMC/BRP 'HiVis' or equivelant 80/90W outboard gearcase oil