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  1. #1
    Member
    Join Date
    Jan 2008
    Location
    Mesa Arizona
    Posts
    1,038

    Ranger Z520C Merc 250 Pro XS & 25 Fury 4

    I have a new one coming any day, who is running one and what is a good starting point for the plugs? Does it blow out with all the plugs open? I had a 25 Fury 3, does the 4 need to be run higher or lower?
    Don Blume

    2018 Ranger Z520C
    2018 Mercury 250 Pro XS 2B525775 2-Stroke

    Past Rigs
    2008 Triton Tr186 with Mercury 175 Pro XS
    2000 Ranger R73 with Mercury 125
    1976 Basscat with 150 Mercury

  2. Member
    Join Date
    Jun 2004
    Location
    Cumming, Ga Now!
    Posts
    2,682
    #2
    Not exact rig, but I run mine with all open. I lost about 2 mph on top end in spring / fall, but found out that it was actually faster than my 25 tempest in the summer as i am able to get the RPM's just over 5,900 vs 5,700 on my tempest (air 90, humidity above 65, water surface 90). Was really shocked about my results. 24 Fury 4 is my summer prop from now on.

  3. Member
    Join Date
    May 2011
    Location
    Apex, NC
    Posts
    1,993
    #3
    Same set up as yours dblume. All open on 25 Fury 4.

  4. Member
    Join Date
    Jan 2008
    Location
    Mesa Arizona
    Posts
    1,038
    #4
    Sounds good thxs. I will install it and run it wide open.
    Don Blume

    2018 Ranger Z520C
    2018 Mercury 250 Pro XS 2B525775 2-Stroke

    Past Rigs
    2008 Triton Tr186 with Mercury 175 Pro XS
    2000 Ranger R73 with Mercury 125
    1976 Basscat with 150 Mercury