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  1. #71
    PWCToday.com Is My Home Away From Home JSNate's Avatar
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    Apr 2010
    Location
    Michigan
    Age
    54
    Posts
    4,194

    Re: 1990 Square Nose SuperJet Build

    Going to be a nice running ski!

  2. #72
    PWCToday Regular
    Join Date
    Jun 2017
    Location
    illinois
    Age
    31
    Posts
    55

    Re: 1990 Square Nose SuperJet Build

    what size needle/seat came standard in a mikuni sbn44 for the 61x superjet? 1.5 or 2.0 ... I may just order a brand new needle seat so i know this one is good to go/brand new... that could possibly be the issue on my 44 thats on my 650..

  3. #73
    PWCToday Regular
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    Jun 2017
    Location
    illinois
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    31
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    Re: 1990 Square Nose SuperJet Build

    So I had some time to do the 61x swap today.

    We were able to:

    1. Remove Old exhaust, Fuel tank and water box
    2. Remove Old 6R7 engine and ebox
    3. Clean Engine bay nad all components going back into hull(battery tray, waterbox, fuel Tank, etc...)
    4. Replace Midshaft Assy
    5. Install New 61x engine
    6. Install Factory Bpipe
    7. Run all new fuel lines
    8. Install new primer and lines
    9. Install Water lines, FCV, and pisser


    Get all that done and go to start it - crank, no start. Also Upon trying to start it, the starter solenoid from the donor engine got stuck closed... So had to swap out starter solenoids from the old ebox. Tried starting again - Still crank but no start.. checked fuel- good, checked spark- good, checked compression good. AT this point I was tired and pissed off... Then i remembered I rebuilt the carb and didnt set the idle screw. It was completely shut and letting no air in. My mistake.... ....opened it up and started right up, Thankfully. I was getting nervous for a second! lol...

    Here are some picture of the end result. I took these prior to adding in the flush kit "T".




    Didnt have time to put on my new wetjet flame arrestor setup(need to get proper mounting bolts for it) or Put it back in the water. Next time I am up at the lakehouse I will do both and hopefully then dial in the carb and b pipe. Thanks to everyone that has helped in answering questions or me purchasing parts from you for this build. Could not have done any of this without PWCtoday and xh2o members!
    Last edited by lextreme; 09-17-2017 at 11:34 PM.

  4. #74
    PWCToday Regular
    Join Date
    Jun 2017
    Location
    illinois
    Age
    31
    Posts
    55

    Re: 1990 Square Nose SuperJet Build

    Question impros 9/15 hooker or 10/16 hooker.. lake I ride is slightly choppy.. definitely not glass..

  5. #75
    PWCToday.com Is My Home Away From Home Rushford_Ripper's Avatar
    Join Date
    Dec 2009
    Location
    Buffalo
    Age
    30
    Posts
    5,630

    Re: 1990 Square Nose SuperJet Build

    9/15


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