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
The amount of oil that a Yamaha yz80 will holdÊdepends on the year. A 1996ÊYamaha yz80 crankcase holdsÊhalf a quart of oil.Ê
It is a 1985 Yamaha YZ80
If your YZ is a crankcase induction model say 1990 to 2008, it's usally 500ml by the book Hello: You need to let us know the year of your YZ80********
Half a quart.
1/2 qt
60-70mph
The seat height on a 2001 Yamaha yz80 33.6 in.
65 MPH
2 stroke
4 LB-008267
i am pretty sure it is 1974
32:1 yamalube