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  1. #1
    Member
    Join Date
    Nov 2015
    Location
    Tuscaloosa , AL
    Posts
    379

    40hp 2-stroke throttle plate opening question

    2004 40ELPTO 0T899507. Tiller steer motor just purchased with original boat it was installed on. Throttle plates are only 50% open when tiller throttle control is opened all the way. I'm sure this isn't correct. Cables look good, no excessive slack in cable from what I can tell. Carb's should open up fully on this model when at full throttle correct? I've checked it both in neutral and in gear (not running of course when doing the check).

    Thank you in advance !
    2020 BassCat Eyra w/Merc v8 Pro XS (2b685615)
    2008 Triton TR196 w/Merc200 (1B505505)
    2024 Havoc Alum Duck boat w/ Mod Mercury 3-cyl 2-stroke
    0T899507 w/1B728726 powerhead (sleeved/ported/welded chambers, mod carbs/tuner &light flywheel)
    Previously owned:
    2018 Eyra w/Merc250 (2b525704)
    2015 PII w/Merc200 (2b115304)
    Brooks tunnel w/Merc 200 carb & CLE l/u motor (A913415)

  2. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
    Posts
    14,037
    #2
    yes sir correct
    .................................................. ...the scariest thing in life is the unknown ...................................