oil ratio

Some backstory first: Engine is a typical ebay 80cc 2 stroke kit When I first mixed the fuel, I negligently calculated the ratio wrong and ended up with 2 gallons of mixed fuel with a ratio somewhere between 32:1 and 40:1. I have used up almost the entire 2 gallons. The bike has been rode for...

49cc 2 stroke I've been breaking in my motor and am on the third gallon and just switched from 20:1 to 28:1 off an empty tank. The bike was running great for 20 minutes and got me to the store. Started the bike again upon leaving the store, but now it- -won't idle (at all) -takes forever...