I have been trying to get my outboard running again. It hasn't been used for about 2 years. I checked and cleaned everything and then tried it but it wouldn't start. Found out that one of the spark plug connections was faulty so i replaced both leads and got new spark plugs. Then I tried it today and it backfired a few times but still won't start. I had gotten new fuel for it but forgot there would be still some of the old fuel in the fuel line. Would this cause it not to start? Anyone got any ideas? Thanks