that was definatly was not.i think the mufflers are holding it back.it does have 4 .gonna change them for somthing else andtry again.but i need to get a helmet the one i have had a 2000 nota 2010. and the battery kill didnt shut the engine off@ 2500. i knew it wouldnt...thats gotta be fixed.carb isnt too big.it has no bog has instant response