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81 xj550j help

Discussion in 'XJ Technical Chat' started by Kweb1889, Oct 27, 2020.

  1. Kweb1889

    Kweb1889 Member

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    So my 550 doesn't run at the moment so I want to change the oil without filter since it is stuck. How would I change the oil on a cold engine? Do I just let it drain or will it be too thick to drain all of it out? I dont want sludge in the engine so I want to put different oil in jaso ma2. Who knows how long the oil that's in it has been their. Thank you in advance for any help.
     
  2. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Just drain it. Being cold only makes it take longer to drain.
    IMO you need to tackle the filter bolt before putting new oil in her. My prior advice about an oil change was made before I realised that the bike does not currently run.
     
  3. Kweb1889

    Kweb1889 Member

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    Ok I found some melting of wires by the battery on my 81 xj550j maxim it is off the positive cable on something I'm not quite sure what it is can you help keep identify what this is?
     

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  4. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    That looks like a starter solenoid. A suzuki starter solenoid. Ewww....but the melting you see looks to be just a worn area from the wire cover rubbing on the frame.
    Get some liquid electrical tape to fix the worn area, and undo the bolts to clean the corrosion off. Alos see if the solenoid mount is still there (it's a rubber cup that the solenoid fits into. If its gone then get one, or use tiestrape sot secure the solenoid so that it cannot move around and rub the insulation off again.
     
  5. bensalf

    bensalf Well-Known Member

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    thats the starter solenoid , the melting probably caused by a rusty / corroded connection . pullback the rubber boot then clean up all the connections on both ends of the thick cables.
    stu
     
  6. XJ550H

    XJ550H Well-Known Member Premium Member

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    I have located a 550 maxim airbox for you. the seller has it listed as a seca air box but it has the metal bracket that is unique to the maxim. you will need 1 box to carb boot

    [​IMG]

    link in our conversation
     
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  7. Kweb1889

    Kweb1889 Member

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    Awesome thank you I actually have the carb boots from my original box it came with thos just no box. Can I get new box to carb boots anywhere that way they are new? Or do they not make any?
     
    Last edited: Nov 2, 2020
  8. Kweb1889

    Kweb1889 Member

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    Should I replace it with the right starter solenoid?
     
  9. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    only if the current one does not work properly.
     
  10. Kweb1889

    Kweb1889 Member

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    Is their a place to buy all new screws for my xj550 carb rack? I pulled the carbs today and the po stripped every single screw.
     
  11. Kweb1889

    Kweb1889 Member

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    I robbed the solenoid off my xj650 and it works good.
     
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  12. XJ550H

    XJ550H Well-Known Member Premium Member

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    i measured size lengths and purchased them from china for penneys nice stainless steel allen heads. the carb hats have 2 different lengths.


    if your in a big hurry get then from www.xj4ever.com he has them
     
  13. Kweb1889

    Kweb1889 Member

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    So my xj550 clutch basket replacement went well I do have an issue my bike is rolling but when i go to start i get no neutral light and bike will not fire just turns over and over. Any ideas on why the light wouldnt come on? Is this a safety feature that it has to be on? Also would the kickstand being down not allow the bike to start
     
  14. XJ550H

    XJ550H Well-Known Member Premium Member

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    light gould be burnt out, the neutran switch is under shifter cover wire with ring terminal screwed to switch.
    ground the wire light should come on
    sidestand issues would not allow bike to turn over,
     
  15. Kweb1889

    Kweb1889 Member

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    Looking for the best way to clean my carbs after soda blasting them without an ultrasonic cleaner. Can I just soak them in warm water to break down the bicarb soda? Or should I use a chemical of some kind?
     
  16. Kweb1889

    Kweb1889 Member

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    This is my idea for the airbox replacement I think it will work great. Any thoughts?
     

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  17. XJ550H

    XJ550H Well-Known Member Premium Member

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    there is a thread somewhere here where its been tried i do not recall the results.
    you may want to try centering the pod between carbs 2 and 3,
    or go out the ends with 90 degree to face two pods forward sort of a ram air effect.
    I would use rubber to connect to carbs and pipe maybe a raidator hose.
    you also need to think about a rack support so the weight of the carbs is stabilized.
     
  18. Kweb1889

    Kweb1889 Member

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    Thank you for that advice I have the air filter coming off carb #2 because that goes right up under the seat where the box used to be but I see what your saying. If I center it hits the battery box. I agree with radiator hose as a connector to the carbs, I was planning on using rubber boots of some kind and that sounds like it will work. I was thinking metal zip ties to hang it from the frame and support the weight. The carbs should hold it steady after the weight is supported.
     
    Last edited: Nov 11, 2020

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