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  1. #1

    94sl750 low compresion

    newbee here a week ago my sl 750 stared got about 50 yrds and stoped abruptly started right back up and stoped. put it back on the trailer
    checked for spark/ it was good, fuel seems to be getting to all cyl,
    but the compresion has droped 40 psi accross all three cylenders
    any ideas where to start?

  2. #2
    Click avatar for tech links/info K447's Avatar
    Join Date
    Jul 2007
    near Toronto, Canada
    You already have answers in your previous thread;

    94sl 750 no work!

  3. #3
    Thanks for the vid pulled the pump of and when I get the propper tool I will take the impeller off. Any recomendations on sending it out for reconditioning? no gauges or cracks. also with the impeller still atached
    I can wiggle it just a little is that normal? I asume since its apart Ill replace the barings. and lastly the stator vanes look like crap so if anyone has one to sell Im looking

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