What oil runs in 1985 Yamaha yz80 crankcase?

AHHH! I was so excited, I thought there would be an answer :( I'm pretty sure it's just 10W30 Motorcycle oil (Has to be moto oil, the YZ80 has a wet clutch). If I find out I'll post the correct answer. AHHH! I was so excited, I thought there would be an answer :( I'm pretty sure it's just 10W30 Motorcycle oil (Has to be moto oil, the YZ80 has a wet clutch). If I find out I'll post the correct answer. SAE 80w motorcycle gear lubricant

http://en.allexperts.com/q/Motorcycle-Repair-837/clutch-problem-1985-yz80.htm