what oil for Kaaz rear diff?

[NSR250]

I know Kaaz recommend the Kaaz oil for their diff. Is there an alternative?
Has anyone tried using Redline 75-90 or MT90 with the Kaaz diff?

[ManoNegra]

I forget the answers but yes, there are less expensive alternatives. Search a little.

[Wei240]

this has been covered before many times,
if you search you'll find the right answers, since i'm not gonna do it for you,
i'm thinking it's any gear oil that's non synthetic... + some lsd additive if you don't want the noise, but yeah, just get kaaz oil...