Sea Doo 951 in SXR Conversion Electrical.

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  1. #1
    PWCToday Guru The Timmer's Avatar
    Join Date
    Feb 2007
    metro detroit area

    Sea Doo 951 in SXR Conversion Electrical.

    Hello Everyone,

    I have a quick question in regards to the Sea Doo 951 Carb Electrical. I have a SXR 951 that currently has MSD Total Loss. I am looking to remove the total loss and place a charging system on the Ski. I have a very reputable place working on the electrical. I have one question in regards to the coils. We plan to use the 750SS electrical box, OEM Kawasaki Starter solenoid, Zeeltronic CDI, OEM Sea doo Magneto, OEM 951 Voltage regulator/rectifier, Kawasaki OEM Start/Stop Tether, and Kawasaki SXR Coil.

    My questions is, I noticed in the drawings of the 951 that they have independent coils. Does the 951 spark both cylinders every 180* on crank rotation, or does it fire each cylinder independent every 360*? The Electrical drawings show a 3 phase charging, that goes to a rectifier, so this makes me believe it sparks every 180* and I would be fine with the Kawasaki SXR coil. But i just want to run it past some experts out here...

    Please note that i have not built this yet, i am in the process of fetching information beforehand.

    Any help is appreciated.

    Thanks in advance,
    Tim W.
    Last edited by The Timmer; 08-24-2020 at 09:04 AM. Reason: spelling in header

  2. #2
    Top Dog JC-SuperJet's Avatar
    Join Date
    Jul 2013
    Cypress, TX

    Re: Sea Doo 951 in SXR Conversion Electrical.


    The 951 SXR MSD Total Loss System has one dedicated Ignition Coil per Piston. So only one Coil fires its respective Cylinder only when its Piston is at TDC. It is NOT a Wasted Spark System; if it was, the Battery would drain in half the time.

    Why are you removing the MSD TL System? If the Battery is not giving you 2 hours of riding time between charges, probably time for a new Battery.

  3. #3
    PWCToday Newbie
    Join Date
    Aug 2019

    Re: Sea Doo 951 in SXR Conversion Electrical.

    I might be interested in the MSD ts system if you are planning to sell it.
    2010 RXP-X
    R&D grate (69.1mph), filled the ride plate holes (70.1mph), solas 15/20a (72.7), rxp nozzle (72.9mph). Opas delete.
    1993 650SX
    Westcoast intake grate, Pro watercraft Pump stuffer, Pro watercraft ride plate
    1990 650SX
    1100 swap project.
    1996 Super Jet
    951 swap. currently in need of new bottom end

  4. #4
    PWCToday Guru kotarbi's Avatar
    Join Date
    Jan 2003
    san antonio tx

    Re: Sea Doo 951 in SXR Conversion Electrical.

    I love my msd on my hydrodoo. Other than some occasional pick up coils failing it’s been a good system. Always got a day of racing without charging that spark is impressive
    07 HydroDoo
    Proforce 2.0
    06, 07 SXR's
    85,87,88 Wetbikes

  5. #5
    Frequent Poster scensor's Avatar
    Join Date
    Jun 2013

    Re: Sea Doo 951 in SXR Conversion Electrical.

    MSD all the way

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