So I did something very stupid yesterday. I forgot to add oil when I took my 2 stroke Yamaha 8HP out on the lake.
I had 1+/- gallon of fuel (pre mixed already) left in the tank and I added 1.9 gallons of straight gas. I usually mixed it at the pump but I was in a hurry and I didn't do it. The fuel hose had also pre mixed fuel in it. I ran the motor for about 8-10min at varying RPM before my passenger asked if I mixed the gas...
I do run little richer than 100:1, maybe 80:1/90:1.
I immediately added oil as we were next to the shore.
The motor ran great all day after that incident, I actually used 6 gallons of gas yesterday, motor kept starting on first pull every time, ran at WOT for hours on end.
How bad is the situation? Are my cylinder walls scuffed? I'm thinking the fuel line saved my a$$... worse case scenario my fuel mix was somewhere between 250:1 to 300:1
I'm going to the store soon the get compression check tool and see where I'm standing.