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  1. Banned Steve Stephens's Avatar
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    Jun 2013
    Location
    Allen Texas
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    339
    #41
    Twice a year and use Lucas do it myself

  2. Member
    Join Date
    Jun 2009
    Location
    St. Robert, Missouri
    Posts
    18,923
    #42
    Per the Merc guidelines. Did the first with 20 some odd hours and will go to once a year or every 50 hours.

  3. Member
    Join Date
    Dec 2005
    Location
    Panama City
    Posts
    2,164
    #43
    At least twice per year because it's cheap to do and can't hurt.


    Have a good one and thank God for it!

  4. Member Jim R's Avatar
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    Mar 2009
    Location
    New Hampsha
    Posts
    10,157
    #44
    Twice. Usually in July and then in November when the boat goes in for its winter nap.

  5. Member Melton Jason's Avatar
    Join Date
    May 2009
    Location
    Knoxville TN
    Posts
    4,367
    #45
    Quote Originally Posted by crank68 View Post
    Sportmasters don’t vent well soooo I change my 3 times a year with Merc HP...
    Same here but use the Mercury Racing Oil.
    Stroker DC21 Mercury 250 XB

  6. New England Forum Moderator twitch's Avatar
    Join Date
    Mar 2005
    Location
    New Bedford, MA
    Posts
    14,963
    #46
    I do mine every fall before the cold weather moves in then I know I'm good to go in case of a deep freeze, do it myself don't take long.
    1990 374V Ranger Still kickin' bass after all these years

  7. Member
    Join Date
    Dec 2006
    Location
    mt washington ky
    Posts
    2,648
    #47
    Check for water every year. Change every other year if dry. 40hp and i don't go very far when fishing.

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