I sprayed a bunch of carburator cleaner in my carbs it ran real smokey and white and relitively nice until I got to the doc where the pwc wont rev high at all or go fast its slow with nothing but bogg after a quarter throttle. ... Please note I mixed perfect 50 to 1 gas premium but its from a card lock tank rather than my usual service station gas.... Also before I left to the lake , a half hour drive I sprayed a bunch of carb cleaner again amd then fired the engine a few times without running it to hopefully get the stuff in everywhere. ... Preciuos owner said he never had carbs apart,,, he owned it 11 years however they look really clean