"Bought a used boat with a hal
"Bought a used boat with a half tank of fuel, 8 gal.Fuel looks very Dark and motor (97 Evinrude 90) smokes quite a bit running on the trailer with a muff and garden hose. Can I safely run at slow speeds with added Fuel only assuming Too much oil with current 8 gal? or, How can I varify too much oil? Thanks, John Gondek"
"Bought a used boat with a half tank of fuel, 8 gal.Fuel looks very Dark and motor (97 Evinrude 90) smokes quite a bit running on the trailer with a muff and garden hose. Can I safely run at slow speeds with added Fuel only assuming Too much oil with current 8 gal? or, How can I varify too much oil? Thanks, John Gondek"

