I bought this pump and was told it worked great it DOES not I have called Rons pumps who is the manufacturer and asked them how much to completely rebuild it and was told the absolute most would be 380 dollars if it needed compete rebuild but probably most likely be 80-100 dollars it's a 700-995 dollar pump new I just stayed with gas It will need to be sent to Rons for repair it doesn't pump I paid 275 dollars for it I am hoping someone can fix or use for part 620 249 5105 text call  I have 2 belts that will come with it and the bottom crank pulley and mounting bracket I forgot to mention thanks for your time and interest