Originally Posted by huntnfish08
Z2-80 BGF engine, "80cc"
I've got over 100 miles on it before it ever started this fourstroking business. I .... It's driving me nuts not knowing why.
Have you changed from a break-in fuel mix over to a standard fuel mix, did the 4-stroking come along with that change? This just came to mind cause you said it didnt 4-stroke for the first 100 miles...