Interstate Batt's (blemish) marine 25$ a pop there new and IMHO a bargian all sizes available , if you see an Interstate truck stop and ask the driver They might swing you a deal dosen't hurt to ask.
I don't run an out board but have had one Given to Jr.Link with boat attached and have done all maint. recomended in manual.
on my boat 3/4 tank gas Star*Tron enzyme gas treatment per spec's and E ZORB per spec's gas should be fresh with no phase seperation top off next spring and add star tron all season I run a stock MERC gas filter and change 2X a season no problems.
LINK SR
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