Home › Forum › Ask A Member › Mark 25 fuel oil mix › Re: Mark 25 fuel oil mix
August 21, 2017 at 5:54 pm
#63593
I would use Mercury oil, But that"s just me. Gearcase fill with 105. Some complaints changing grease but light heat from a heat gun to warm the aluminum & will exchange. Can’t think of it but cornhead grease too, getting old.