crank case sealant?

so i had to put some new tranny gears in my 04 450, and im wondering if i can just find some good case sealant and orilleys or napa or something like that?

oreillys will carry moto grey. it will work. napa may have 3bond.

is it good stuff tho? or not a great choice

You only want to use Threebond (aka Yamabond, kawabond, Hondabond...).

I have had good luck with both.

I use permatex 3h aviation sealant on old Volkswagen engines that I rebuild. They are a split case engine like a motocross engine. Works great, but i'd use threebond or the manufacture bonds as they are a matching color/sealant to the stock from factory sealant.

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