what weight oil for 90hp engine?

[stackz]

my service manual tells what type trim oil to use but only has the capacity (22.5oz) for my gearcase oil...cant find the weight/type to use anywhere in the service book. not in the gearcase chapter or service index.

anyone know?

1990 90hp 2-stroke 3-cyl engine.

thanks!

 

[stackz]

Re: what weight oil for 90hp engine?

anyone? if not I'm just going to use 80w-90 in it.

 

[Chris1956]

Re: what weight oil for 90hp engine?

Use any Marine Gear Oil for Mechanical Shift Motors. They are generally SAE 80. This oil is avail at Walmart, and many auto parts stores.