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My 79 xs400 build

Discussion in 'The Garage' started by bennett834725, Dec 22, 2013.

Tags:
Page 13 of 13
  1. Mar 19, 2014 #241
    Scorpio1963

    Scorpio1963 XS400 Guru Top Contributor

    3,895
    6
    38
    Port Huron,Michigan
    With the bars you have are riding crouched down down or upright?
     
    Scorpio1963, Mar 19, 2014
    Scorpio1963, Mar 19, 2014
    #241
  2. Mar 19, 2014 #242
    Sesty

    Sesty H.E. Pennypacker

    751
    3
    18
    Jersey Shore
    clip-ons and rear sets will make even the tallest man crouch
     
    Sesty, Mar 19, 2014
    Sesty, Mar 19, 2014
    #242
  3. Mar 19, 2014 #243
    bennett834725

    bennett834725 Military xs400

    220
    0
    16
    Ephrata, Washington
    legs back a little bit and leaned forwards but arms are 90 degrees to my chest actually fairly comfortable to ride
     
    bennett834725, Mar 19, 2014
    bennett834725, Mar 19, 2014
    #243
  4. Mar 20, 2014 #244
    MrStubb

    MrStubb XS400 Addict

    454
    17
    18
    Princeton Minnesota
    Just looked on Craigs list. Been thinking about another bike just to ride while I build mine. Found another XS400 An 81 with around 7000 miles on it. Guys asking 700 says it ran last year and was driven. Any thoughts????
     
    MrStubb, Mar 20, 2014
    MrStubb, Mar 20, 2014
    #244
  5. Mar 20, 2014 #245
    Sesty

    Sesty H.E. Pennypacker

    751
    3
    18
    Jersey Shore
    its craigslist, bring a charged battery and try to start it, if i doesnt start offer him $400.

    if it does start talk him down anyway.

    my PO was looking for 750 got mine for under 400 because after a test ride the carbs were dumping fuel.
     
    Sesty, Mar 20, 2014
    Sesty, Mar 20, 2014
    #245
  6. Mar 20, 2014 #246
    Recreateme

    Recreateme XS400 Addict

    346
    2
    16
    Chatham
    Mr. Stubb - 700 seems okay, but try to start it and then try to ride it. If you can't start it then its a gamble because even though he said 'it worked last year' doesn't mean hes telling the truth, or something didn't brake during storage. It could take hundreds to get it going, or just the carbs to be cleaned.
     
    Recreateme, Mar 20, 2014
    Recreateme, Mar 20, 2014
    #246
  7. Mar 20, 2014 #247
    xschris

    xschris a lifestyle not a trend Top Contributor

    9,545
    332
    133
    upstate ny 14837
    Sound good if it runs and has a title.
     
    xschris, Mar 20, 2014
    xschris, Mar 20, 2014
    #247
  8. Mar 20, 2014 #248
    bennett834725

    bennett834725 Military xs400

    220
    0
    16
    Ephrata, Washington
    if it has a title and runs i would do it but if it doesnt i honestly wouldnt cause my friend just bought a xs750 and they are now into it it about 400 to rebuild it cause it has a cracked piston
     
    bennett834725, Mar 20, 2014
    bennett834725, Mar 20, 2014
    #248
  9. Mar 22, 2014 #249
    bennett834725

    bennett834725 Military xs400

    220
    0
    16
    Ephrata, Washington
    re did some work on my exhaust today got pulled over and told it was to loud so a buddy helped me out with a nice custom muffler
     

    Attached Files:

    bennett834725, Mar 22, 2014
    bennett834725, Mar 22, 2014
    #249
  10. Mar 22, 2014 #250
    xschris

    xschris a lifestyle not a trend Top Contributor

    9,545
    332
    133
    upstate ny 14837
    I think it looks better but is it any quieter?
     
    xschris, Mar 22, 2014
    xschris, Mar 22, 2014
    #250
  11. Mar 22, 2014 #251
    bennett834725

    bennett834725 Military xs400

    220
    0
    16
    Ephrata, Washington
    oh yes alot quieter i will link a video later
     
    bennett834725, Mar 22, 2014
    bennett834725, Mar 22, 2014
    #251
  12. Mar 25, 2014 #252
    bennett834725

    bennett834725 Military xs400

    220
    0
    16
    Ephrata, Washington
    so im running into a idle issue, i have narrowed it down to the points timing but im a bit lost was wondering if someone could help explain how to time it :banghead:
     
    bennett834725, Mar 25, 2014
    bennett834725, Mar 25, 2014
    #252
  13. Mar 25, 2014 #253
    bcware

    bcware Well-read Top Contributor

    2,920
    12
    38
    Epsom, NH
    http://www.xs400.com/forum/showthread.php?t=12330

    mcrowell75's video is better than my old one, but there are two on the subject in that thread. I was really green when I made mine!

    The absolute minimal essence of timing these bikes is that you want the contact points to OPEN at the moment the LF or RF lines are reached on their respective compression stroke when rotating the engine.
     
    bcware, Mar 25, 2014
    bcware, Mar 25, 2014
    #253
  14. Apr 17, 2014 #254
    bennett834725

    bennett834725 Military xs400

    220
    0
    16
    Ephrata, Washington
    so im back at my bike after a little break and i took the carbs off stripped them down all the way and then soaked them in 70 percent rubbing alcohol, then after 5 hours of soaking i used my air compressor to blow all the lines and ports out of it using 120 psi and a few .iittle chunks of gunk came out of it and then was nice solid stream of air, i then reassembled the carbs and bolted them back on, also swapped out my coils to new ones as a just i case and hve a nce heavy spark ( my buddy was holding the plug when i fired it lol ), but it feels like it has to struggle to get running, or started and when its started it doesnt want to stay running, points are dead set to lf and rf all timing is perfect and carbs are bench tuned as of now but i cant get them to idle correct to fine tune it, any information would help out alot
     
    bennett834725, Apr 17, 2014
    bennett834725, Apr 17, 2014
    #254
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