Those would be non-interference engines to which I am 95% sure. Either way, get out your ratchet and turn the crank and listen. You can do this without removing anything - just get to the crankshaft and you'll be able to tell if there is any interference. If you are still unsure - you can...
If I remember correctly, you'll need to get two-stroke oil and mix it to a ratio of 50:1. If you have any doubts, call Pep Boys and ask them because they sell them, build them, and put the fuel in them. It also depends on how lean or rich you'd like to make it. Hope that helps.