i had one lock up in my drive way in two weeks it cranked over and i should have oiled the cyl. but i didnt got gas to finely pump up but it must have been water from the bottom of the tank we towed it its still froze i dumped gallons of oil in it someday ill pull the plugs and try again i couldnt believe how fast it froze up if i hadnt seen it i wouldnt believe it