How much 2 stroke oil do you put in a Honda NSR 80?

How much 2 stroke oil do you put in a Honda NSR 80

Is it pre-mix?

If so, try 32:1. See how it runs for a bit, take it out for a good run and check the plug colour when you get back. Get the plug clean before you go out.

That's 32ml of 2 stroke oil to 1 litre of fuel.

Ideally, a manual for your bike will tell you what the recommended mix is.

IF it's not pre-mix, it will have a 2 stroke oil tank underneath the seat (Usual place). IF it has, then you just fill it up to the top. Then check it twice a week or so and top it up if
necessary, don't let it run to minimum.

Look it up online. Don't guess or you might be rebuilding a motor

All of it.