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  1. 05-22-2022, 09:59 AM #1
    123indyrt
    123indyrt is offline New Member
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    2003 Optimax 250 3.02 Stroke questions HELP!

    I was told to come here for the best advice! lol

    I just picked up a 2003 sea doo jet boat that has this motor. Its been sitting for a year. It fired up, compression test checked out.

    What shoud i check / change from maintenance aspect

    Spark plugs: champion or ngk

    2 stroke oil: I've use quicksilver synthetic on my last boat

    Any recommendations are appreciated!!


    THANK YOU!

    Ronnie
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  2. 05-24-2022, 08:14 AM #2
    PanRonnie's Avatar
    PanRonnie
    PanRonnie is offline 6000 RPM
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    i have a 3 liter optimax guide for you but nothing specific to the jet
    did get some links which might be usefull
    http://motorka.org/doc/mercury/servi..._888438/1d.pdf
    http://files.motorka.org/plm/mercury..._888438/2a.pdf
    Attached Thumbnails Attached Thumbnails MERCURY__OptiMax_Tehnicheskoe_ustroystvo_dvigateley (1).pdf  
    Attached Files Attached Files
    Last edited by PanRonnie; 05-24-2022 at 08:20 AM.
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  3. 05-24-2022, 01:45 PM #3
    25two.stroke's Avatar
    25two.stroke
    25two.stroke is offline 7000 RPM
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    Use ngk
    Use mercury dfi oil
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« Building 225 promax SS | Im stumped, whats an AA block? »

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