er put the hose's back on now!!!!! before you start playing with premix do some research, youll fine lots of posts here about it, you need to block the holes off and thats just a start and yes a rejet with the fuel oil ratio you want to run will be needed, But for just now plug it back in until you have all the information ready to do the job!!! just trying to save you some money,, expensive if it siezes