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  1. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    and I'm pretty sure the reason why it was acting like it was out of gas and stalling on me.. was because it was.. hahaha so hopefully I don't have...
    Post by: kcleft, Mar 30, 2014 in forum: XJ Technical Chat
  2. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    No I didn't replace those o-rings, I have no idea where you can get them haha. I did wet set them though, I believe the spec is 1-3mm and they are...
    Post by: kcleft, Mar 30, 2014 in forum: XJ Technical Chat
  3. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    I haven't really tried to check them yet. I wasn't going to really bother with it until I could figure out the problem I'm having right now.. the...
    Post by: kcleft, Mar 28, 2014 in forum: XJ Technical Chat
  4. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    yup, I checked the wet float and everything... they were all pretty low, about where one on the bolts for the float bowl seated. I put them...
    Post by: kcleft, Mar 28, 2014 in forum: XJ Technical Chat
  5. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Alright so new problem, and I figured I'd better address this before I try adjusting the mixture. first of all, it won't Idle at all unless i set...
    Post by: kcleft, Mar 28, 2014 in forum: XJ Technical Chat
  6. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    So the very ends or my plugs (on the arm that goes over it) are extremely white.. around the base where it screws in it is relatively sooty.. I...
    Post by: kcleft, Mar 24, 2014 in forum: XJ Technical Chat
  7. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    I did do the valves and I've also done the vacuum sync. I think I'm where I need to be for the mixture now. I'll check my plugs, I've been riding...
    Post by: kcleft, Mar 24, 2014 in forum: XJ Technical Chat
  8. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Alright! swapped out the rear brakes and got the new ones on! Not sure if the old ones were the original.. but that doesn't matter now haha. So...
    Post by: kcleft, Mar 24, 2014 in forum: XJ Technical Chat
  9. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Sorry for the late reply guys, but thank you for all the input! I think I figured it out. I had the screws set out way too far I moved them to...
    Post by: kcleft, Mar 23, 2014 in forum: XJ Technical Chat
  10. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Alright guys, so I'm still working on getting everything I need for the brakes. However today I took her for a small ride (about 7 or 8 miles) at...
    Post by: kcleft, Mar 16, 2014 in forum: XJ Technical Chat
  11. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Ok, I'll take a look at the screws today to see if there's any way to get them out without drilling them all the way out. An extractor may do the...
    Post by: kcleft, Mar 6, 2014 in forum: XJ Technical Chat
  12. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    really? sweet! haha that makes life a little easier haha. I still might try to get it open though, I don't give up that easily ;) good to know...
    Post by: kcleft, Mar 5, 2014 in forum: XJ Technical Chat
  13. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Um, no, and no... lol who ever tried to open the master cylinder before I did did a fantastic job at striping the screws.. that will most likely...
    Post by: kcleft, Mar 5, 2014 in forum: XJ Technical Chat
  14. kcleft
    Post

    Tiny passages in the carbs.

    if you see a stream coming out from somewhere that usually means it's pretty clean :). not the best advice I know, but if carb cleaner can move...
    Post by: kcleft, Mar 5, 2014 in forum: XJ Technical Chat
  15. kcleft
    Post

    Tiny passages in the carbs.

    Compressed carb cleaner worked really well for me! I know some people use compressed air as well. pretty much anything that will FORCE the crud...
    Post by: kcleft, Mar 5, 2014 in forum: XJ Technical Chat
  16. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    So last night while I had the carbs off I decided to take a look at the enrichment circuit, and I realized that I had never cleaned the passages...
    Post by: kcleft, Mar 5, 2014 in forum: XJ Technical Chat
  17. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    did you do your compression test after you had ridden the bike? I'm not sure about the carbs yet, I know they are completely out of adjustment, so...
    Post by: kcleft, Mar 4, 2014 in forum: XJ Technical Chat
  18. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    So I finally had time today to set the float heights! I went and bought some PVC and made a stand like it shows on the XJ4ever website. all the...
    Post by: kcleft, Mar 4, 2014 in forum: XJ Technical Chat
  19. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Ok, I'll be taking the carbs off again and trying to get those floats right. I just found another youtube video for a manometer and it looks like...
    Post by: kcleft, Mar 2, 2014 in forum: XJ Technical Chat
  20. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Haha well I have no idea why you wouldn't be able to get a beer in Utah! But I'm still pretty young so I can drink legally. And I don't think I...
    Post by: kcleft, Mar 2, 2014 in forum: XJ Technical Chat
  21. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    I was thinking about something like that.. I also thought that maybe I could cut the old boots in half and use a piece of rubber tubing to connect...
    Post by: kcleft, Mar 2, 2014 in forum: XJ Technical Chat
  22. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    The only thing that I haven't done in your list is to check the float levels, I don't know if my idle screw was halfway out or not when I did the...
    Post by: kcleft, Mar 2, 2014 in forum: XJ Technical Chat
  23. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Hahaha I know what you mean MiCarl, if the compression sucks it's not worth spending time on anything else ;). So now on to the carb synch? Sorry...
    Post by: kcleft, Mar 2, 2014 in forum: XJ Technical Chat
  24. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    I think for the most part all the electrical's work pretty well :) The only thing that bugs me is that starter button is intermittent haha and...
    Post by: kcleft, Mar 1, 2014 in forum: XJ Technical Chat
  25. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Alright guys! I had just enough light to run a compression test! I removed all the spark plugs,hooked up the battery from my truck (engine was...
    Post by: kcleft, Mar 1, 2014 in forum: XJ Technical Chat
  26. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Yes the engine does run, I'm pretty sure the shims are seated right. When I did kind of a final inspection after rotating the engine a few times...
    Post by: kcleft, Mar 1, 2014 in forum: XJ Technical Chat
  27. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    I disabled the ignition (removed fuse), but I didn't remove the air filter, should I take it out?
    Post by: kcleft, Feb 27, 2014 in forum: XJ Technical Chat
  28. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Hahaha I didn't even think about that! I have two bowls that have a free moving drain screw and 2 that don't. So I don't remove the drain screw...
    Post by: kcleft, Feb 27, 2014 in forum: XJ Technical Chat
  29. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Hahaha you told me this before and I totally forgot. Thanks man, I'm definitly bookmaking XJ4ever. On a side note, do I actually need to remove...
    Post by: kcleft, Feb 27, 2014 in forum: XJ Technical Chat
  30. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    alright, So I'm still working on getting another compression test done. I just had a quick question. Where can I get replacement carb bowl level...
    Post by: kcleft, Feb 27, 2014 in forum: XJ Technical Chat
  31. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    ok, I'll see if I can find another gauge. I had all the spark plug removed and that battery I know is toast, so I did jump it to a running...
    Post by: kcleft, Feb 27, 2014 in forum: XJ Technical Chat
  32. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Had a chance to run a compression test (engine was cold) and they were all exactly 75psi! I know it should be more than that, but that's much...
    Post by: kcleft, Feb 26, 2014 in forum: XJ Technical Chat
  33. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Nevermind, I just went outside to double check the gap and it's .025in, which I believe is in spec. It was just my eyes deceiving me haha
    Post by: kcleft, Feb 26, 2014 in forum: XJ Technical Chat
  34. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    So I got them loose and everything looked extremely clean! I sprayed them with carb cleaner anyways. Now I'm getting things set up to run a...
    Post by: kcleft, Feb 26, 2014 in forum: XJ Technical Chat
  35. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    ok, thanks for the tips! as soon as I get home, I'll take them apart again lol
    Post by: kcleft, Feb 26, 2014 in forum: XJ Technical Chat
  36. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    that makes me think though, if it won't come free easily, then there is a good possibility it's never been removed. And it needs to be cleaned...
    Post by: kcleft, Feb 26, 2014 in forum: XJ Technical Chat
  37. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Ok, it definitely doesn't slide out into my hand. I'll try using a screwdriver handle idea. thanks!!
    Post by: kcleft, Feb 26, 2014 in forum: XJ Technical Chat
  38. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    ok, so my question is how do I remove the emulsion tube? that is the only thing that I didn't manage to clean. The manual doesn't specifically...
    Post by: kcleft, Feb 26, 2014 in forum: XJ Technical Chat
  39. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    MiCarl: no I haven't done another compression test yet. I don't actually have a tester, I used a friends. I'm probably going to try to go to...
    Post by: kcleft, Feb 26, 2014 in forum: XJ Technical Chat
  40. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Also on one of my many XJbikes journeys I found this: http://xjbikes.com/Forums/viewtopic/p=215851.html would this be a good route to go to get...
    Post by: kcleft, Feb 25, 2014 in forum: XJ Technical Chat
  41. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Is that section in the haynes manual? I can't find it, all I could find on the carbs was how to synch non-yics carbs.
    Post by: kcleft, Feb 25, 2014 in forum: XJ Technical Chat
  42. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Update!!! I got the shims Saturday, but I didn't have time or the light to replace them. Same for Sunday and Monday, but I finally had some time...
    Post by: kcleft, Feb 25, 2014 in forum: XJ Technical Chat
  43. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Ah, I see.. haha oh well. They're already being shipped and I just ordered them today. It probably wasn't worth an extra 10 bucks to skip a day or...
    Post by: kcleft, Feb 20, 2014 in forum: XJ Technical Chat
  44. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Alright! I just ordered the new shims, so hopefully within a week I'll be able to start her up! :) thanks for all the help guys!!!
    Post by: kcleft, Feb 20, 2014 in forum: XJ Technical Chat
  45. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    The description says it works with my bike so I might go that route! Is there any problem with his listings? If it's only going to cost 30-40...
    Post by: kcleft, Feb 20, 2014 in forum: XJ Technical Chat
  46. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Yup! I know the math is easy, I just did it wrong haha. Not going to lie, I think the spreadsheet is harder to understand hahaha! but it doesn't...
    Post by: kcleft, Feb 19, 2014 in forum: XJ Technical Chat
  47. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Or, since I'm on a budget, should I just contact Hogfiddles and go that route?
    Post by: kcleft, Feb 19, 2014 in forum: XJ Technical Chat
  48. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Haha thanks again, I just realized I was off a little! But ya, they seem to be in spec. So for cylinder one, I can use cylinder two's shim (280)...
    Post by: kcleft, Feb 19, 2014 in forum: XJ Technical Chat
  49. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Oops! hahaha thanks for catching those! That could have been bad if I ordered the wrong ones... I though I had put the exhaust clearances up...
    Post by: kcleft, Feb 19, 2014 in forum: XJ Technical Chat
  50. kcleft
    Post

    1981 Yamaha XJ650 Maxim Valve clearance/ carb issues

    Alrighty guys! So I got the valve shim removal tool in the mail today and took a look at all the intake shims, and measured the clearances the...
    Post by: kcleft, Feb 19, 2014 in forum: XJ Technical Chat
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