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Need a touch more RPM in reverse

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  • Need a touch more RPM in reverse

    My winter project motor (1986 Mercury 75HP) is 99% complete. Everything is great except for the one remaining puzzle I can't crack: Shifting into reverse is solid and smooth, but the most throttle I have in reverse is "just enough" to back off the trailer. After it slips firmly into reverse, I have about an inch more travel before the handle bottoms out.

    The remote box is new and so are the throttle and shift cables. I double-checked that the barrels are correctly placed in the control box and in the retainer. On the engine side, I've fiddled with the cable adjustments on the throttle and shift cables, moving the adjustment barrels in and out, to very little effect.

    In forward gear, zero problem: wide open is fine and throttle movement feels fine. Is this a cable adjustment issue, or can I get into the control box and somehow tweak the handle limit to get myself a little more travel in reverse?
    1975 Starcraft SuperSport -- '86 Mercury 75HP

  • #2
    how fast do you need to go in reverse? More importantly, how much force do you think that little sheet metal reverse latch can hold?
    Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

    1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

    Past Boats
    1970 Wooster Hellion - Merc 9.8
    2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
    1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

    What’s behind you doesn’t matter.Enzo Ferrari

    Comment


    • #3
      Originally posted by Scott Danforth View Post
      how fast do you need to go in reverse? More importantly, how much force do you think that little sheet metal reverse latch can hold?
      Oh, no...please don't tell me this patronizing snort is the only response I'm going to get to my letigimate question...
      1975 Starcraft SuperSport -- '86 Mercury 75HP

      Comment


      • #4
        Sign up today
        Not being patronizing. Throttle is usually less in reverse than fwd.

        Look at the cable adjustment at the controls
        Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

        1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

        Past Boats
        1970 Wooster Hellion - Merc 9.8
        2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
        1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

        What’s behind you doesn’t matter.Enzo Ferrari

        Comment

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