Neal I bought An Eskimo Shark 16 years ago I've never done a thing to it it has the same spark plug it came with I never drain the gas and it start every year When I buy a new one it will be a 10" I take it you got your Cabelas close out catalog this week great savings if my auger didn't run so well I'd send for the 10"
PS be careful over at Chocorua last weeks Sun had an article about the parking lot