Mercury High Performance Gear Lube OK for Yamaha?

[msd58]

Cant get Yamalube gear oil in my area. Is it OK to Use Mercury High Performance Gear lube on my 1997 C90 two stroke outboard lower unit?

 

[robert graham]

I've always used the Walmart brand of Outboard Lower Unit 80-90Wt. Gear Lube in my 1999 C90 Yamaha....I'm not sure what's in the Mercury product?....

 

[msd58]

I've always used the Walmart brand of Outboard Lower Unit 80-90Wt. Gear Lube in my 1999 C90 Yamaha....I'm not sure what's in the Mercury product?....

90W Synthetic

 

[99yam40]

seems I read something about yamaha not recommending synthetic in some lowers if they contain bushings I think.
You need to check to make sure