550/750 pump install help

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  1. #1
    Frequent Poster keegan-4's Avatar
    Join Date
    Aug 2014

    550/750 pump install help

    I'm installing a 750 pump in my 550sx hull with the rhaas conversion kit. I'm wondering how long the process will take and if anyone has instructions/videos on how to install. Any advice or input will help! Thanks

  2. #2
    PWCToday.com Is My Home Away From Home bandit88's Avatar
    Join Date
    May 2014
    Green Bay WI

    Re: 550/750 pump install help

    The kit will come with instructions. Have a tube of silicon and 3M 5200 fast cure on hand. The pump mounts will need to be cut and have new holes drilled. At a minimum a jigsaw and drill press should be used, The holes need to be drilled dead on to keep everything square. My recommendation is just take your time and plan for it to take the better part of a day or split the job up and focus on the pump one day, and installing the pump shoe and mount the next. There are quite a bit conversions out there that vibrate pretty badly, those are rushed jobs.
    -95 750SXI
    -86 440 with PJS800 conversion (now 650) - http://www.pwctoday.com/showthread.php?t=466927
    -92 750SS
    -81 JS440
    Parts for sale HERE

  3. #3
    PWCToday.com Is My Home Away From Home theVetteman3's Avatar
    Join Date
    Jul 2008
    Chicago / Portage, MI

    Re: 550/750 pump install help

    Yep just take your time. I would say I spent maybe 20 hours getting it set up right, at most. And that was doing everything perfectly. Cutting the pump by hand based on the template, ect.. Most of the time comes with getting the pump shoe in properly and then aligning the pump. Take your time here. Everything has to be dead nuts perfect. A few of us didn't have enough clearance to run the included gasket. I have tons of detail how I worked around this in my angry cardinal / pretty red 550/750 build thread in the individual builds section. My ski had one of the beta kits.
    1985 JS550/800 "Pretty Red": Newmiller 800, Rhaas 750 pump conv. [56.3mph gps]
    2009 1100 SJ:
    Kawi 1100 build in progress
    2009 SJ MINT:
    KP steering adaptor, Worx 228 intake [45.8mph gps]
    1987 WJ650:
    6M6, JD Intake Grate, 17/20, cheater pipe [47.8mph gps]
    1994 XiR: 830cc Superstock, PJS side draft, 13/18 swirl [53.7mph gps]
    1995 SJ MINT:

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