former 250yz owner....never idled unless you turn up the tickover very high...that can be scary when you shut off the throttle and the overrun still carries you on.....
did it idle before you had the work done? ..anyhow buy a four stroke already 250f will make you wonder why people ride ring dingers any more
did it idle before you had the work done? ..anyhow buy a four stroke already 250f will make you wonder why people ride ring dingers any more