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1982 XJ325J, ok XJ650J with issues

Discussion in 'XJ Technical Chat' started by RJ C, May 1, 2019.

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  1. RJ C

    RJ C Member

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    I’ve seen them from 12.00 to 80.00+, I think I’ll start with the epoxy. Thanks as always!
     
  2. RJ C

    RJ C Member

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    Making progress, leak fixed in petcock, starts fine then seems to bog down on moving the throttle. I removed the vacuum line and capped off the petcock and carb nipple. Once warmed up seems to run great on the on position . Do I need the vacuum line?
     
  3. k-moe

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

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    I'd replace it. Be sure to get vacuum ilne and not somehting else. Any other type of hose that size will collapse when warm.
     
  4. XJ550H

    XJ550H Well-Known Member Premium Member

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    until bike warms up a little using the throttle can cause it to bog.
    your petcock in on or prime position with out vacuum line and running?

    4mm id on the vacuum line.
    using the vacuum line is to keep fuel from filling your crankcase up if you develop a carb leak issue also stops fuel from flowing if bike is dumped and the motor is off

    there is a thread on converting vacuum petcock to manual petcock.
     
  5. RJ C

    RJ C Member

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    The vacuum line was new and very ridged so I know it’s not collapsing on me. I even tried different intake positions. Rainy and cold yesterday so I didn’t go out.
     
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  6. RJ C

    RJ C Member

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    I only used Pri to fill the bowls then changed to On, weird thing wouldn’t start with the vacuum line connected even in on position. I removed the vacuum line and choked the crap out of it and started right up. It hits about 4K rpm then settles down after a few minutes and I back off the choke till 2k rpm then I’d take off with sputtering for a little while and kill the choke and it seems to be fine. I’ll have to try letting it warm up a few minutes longer. Thanks for the help you two, it’s much appreciated!
     
  7. Polock

    Polock Well-Known Member

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    vacuum line on/off, whatever. just so your plugging the nipple after you take the line off, don't run it with that nipple open very long
     
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  8. RJ C

    RJ C Member

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    Short clip of my ride! Woohoo!
     
  9. Polock

    Polock Well-Known Member

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    sounds like you have a chicken or something stuck in your wheel :)
     
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  10. RJ C

    RJ C Member

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    I haven’t ridden the bike since this video. I was moving it in the garage and noticed a rubbing sound once in a while. The PO had put a 110/90/19 on the front wheel and guess what... .:eek:
     
  11. RJ C

    RJ C Member

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    You dirty dirty YICS.
     
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  12. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    Dude, you are the man!
     
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  13. RJ C

    RJ C Member

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    I’ll have to agree with you chacal. Thanks. :cool:
     
  14. RJ C

    RJ C Member

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    Ok ladies and gentlemen...I suck at numbers so I am hoping that you all can review my numbers for my valve clearance and confirm that I have this all correct.

    upload_2019-11-2_13-16-29.png

    If my numbers are correct, I need to rescue 5 "new" shims from the pool and I have 5 shims to toss back in the pool. @hogfiddles I see that you are the lifeguard at this pool, do you happen to have the shims I "think" I need?

    Looking for 2-270, 3-285, 1-260
    The five being swapped are 1-280, 2-290, 2-275

    I know riding season is just about over for me so I am trying to fine tune things before -20 hits MN.

    As always, I appreciate all of your help.

    Rick
     
  15. RJ C

    RJ C Member

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  16. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    Yes, your calculations are correct!
     
  17. RJ C

    RJ C Member

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    Awesome! Thank you for double checking my work, much appreciated.
     

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