Usually, its SAE 30.
I use 5w-30
Hd 30w
Any kind you want.
30W for summer
10w-30w is fine
sae 30
You can use 10W-30 or just 30.
I use two stroke oil
SAE 10w30 full synthetic.
SAE 30 weight full synthetic oil.
moble 1 50 weight syn
Generally 30W of SF or higher rating