Re: 48cc vs. 69cc.
What kind of problems are you having?
If they are little things, you can be sure that you'll get that from any of them................remember, these things are made in China..........not exactly the kind of quality we (the U.S.A.) would produce.
I had to fiddle with something that wasn't right, it seemed, almost everyday for a month and a half. Now, it's only once in a great while, that I actually have to fix something on it.
Don't feed the bears....