M2 240 manual not working for a 250 - Seadoo Forums

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    Junior Member
    Join Date
    Aug 2008
    Toledo Ohio
    03 Islandia w/250 Merc. 95 spx 87 22' Formula 2
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    Question M2 240 manual not working for a 250

    I hate to keep bugging .I have a 2003 opti 250 that now is only putting out 5100 rpm max . The 240 may opperate the same but is not set up the same .Before I dig too deep into it I want to make sure i have my throttel set up correct for idel and wot. Idel is about 650-700 and wot is now down to 5100 and dont want to mess with the wrong adjustment screws .The digram for the 240 Dose Not match up with what i am looking at .I have a good idea but but dont want to wrongle change timming ,mix or spark advance .I joined so i could get the manual and get some support. soo far no so much. (edit ) Should i be posting in the premium members area ?
    Last edited by froggie76; 09-18-08 at 10:59 PM. Reason: should i be posting in the premium members area?

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    seadoosnipe's Avatar
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    Sep 2007
    Deep South
    1997 Challenger, 1997 GTX , 1991 SP and a shop with 2 spare 787cc's and a bunch of parts laying arou
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    Default Yes....

    Yes.....The premium area is set up for just that, getting help to premium members is first priority.

    Everything I've dealt with in the 250 opti in helping a member, was solved with the 240, which is also a EFI Optimax.........so, it's a bit perplexing to have my first member find that there must obviously be some differences. That is highly unusual in a manafacturer to make a change so minute like that, unless they added another sensor system or some other change that necessated such a change.

    Please post in the premium section too, because with so many members and not enough time, sometimes I only get a limited amout of time to read posts in other areas.........

    I will look into the design changes and see if Mercury made a specific manual soley for the 250. As of the date the M-2 manual was purchased, it was suppose to cover all Seadoo M-2 engines. The 250 had already been in service........but I will check.

    Also, you are allowed to double post here and in premium section because they are two different (isolated) parts of the forum.

    Please feel free to send me a PM, describing your problem in detail and maybe I can be of further service...........
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