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  1. #1
    Member
    Join Date
    Feb 2013
    Location
    Sioux City, Iowa
    Posts
    21

    2006 optimax 175

    my opti 175 cranks slow and sounds like a train engine cranking over.new battery in it,any suggestions?

  2. Member
    Join Date
    Mar 2008
    Location
    Surprise Arizona
    Posts
    194
    #2
    Sounds like low battery volts.. My 150 turns about 3 turns and starts.. A second at most..

  3. Member
    Join Date
    Feb 2013
    Location
    Sioux City, Iowa
    Posts
    21
    #3
    mine may turn 3 times before starting but snds awful sluggish.battery is new and fully charged

  4. Member
    Join Date
    May 2011
    Location
    Spangle, WA
    Posts
    6,541
    #4
    What "new battery" do you have and what is its rated capacity - http://www.bbcboards.net/showthread....batteries+meet
    _______

    Phil
    '09 Hewescraft ProV
    '09 150 Optimax


  5. Member
    Join Date
    Aug 2014
    Location
    Maryland
    Posts
    1,081
    #5
    For my '06 200 I have a very strong battery, well above requirements, and though the motor fires readily it does not crank fast.
    Michael Martin
    Virginia...now in Maryland
    1998 P III, 2006 200 Optimax SOLD
    2017 Robalo 226 Cayman, 200 Yamaha 4 stroke

  6. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
    Posts
    15,385
    #6
    optis have to build air press before thell fire /why they dont pop like carb or fuely

  7. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
    Join Date
    Apr 2008
    Location
    Greenville, SC (US)
    Posts
    97,935
    #7
    Mercury - 2.0/ 2.4/ 2.5 Liter High Performance
    For discussions related to 2.0/ 2.4/ 2.5L motors (Carb, EFI, Optimax or Racing).


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
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