2003 Rx1. fresh gas,new plugs,new oil,great compression,great spark,carbs profesionally cleaned and syncronized,fully inspected by professional and we are at a loss.No trouble codes. It just wont go. When you hammer it,it will spit and sputter,it wont go past about 8000 rpm,will barley go 80 mph. The mechanic is stumped and so am i. It only has 690 miles on it. It previously sat for about 2-3 yrs.Is there a break-in limiter that would cause it to not run its best? Any ideas? Thanks. Yes i posted this in Yamaha section also,but there seems to be little action there.