Are their any stores in illinois that sell mini bikes if so what stores?

I've got a xgj125cc fuel injected there's nothing wrong with the current engine but someone's selling a good yammy 125cc engine I'm guessing it'll just wire straight in if I conver...

I'm a car mechanic so I thought I'd be able to figure this out.. usually when I test fuel injectors I start with fuses and a diagnostic test to see if there's any fault codes... if...