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ID your Model

Discussion in 'The Garage' started by inxs, Oct 4, 2009.

  1. 650Skull

    650Skull SSSSSSSSSlither Top Contributor

    Yea correct. It is the first year of the 447 engines, I think a lot of confusion is because of the TX prefix, 73 TX650 but 74 TX650A.

    Basically the same engine internals till 84, the end of production. The tension-er changed. as you seem to know and the ignition from 80 on
     
  2. Cole B

    Cole B XS650 Member

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    Can anyone help me out here? Just bought what I was told is a 82 xs 650. I looked up the vin and it has 16 digits on the neck. Can anyone help me identify what's correct so I can get this thing registered?
     
  3. peanut

    peanut XS650 enthusiast & inveterate tinkerer Top Contributor

    4,054
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    Hi and welcome.
    if you go to the second page at the beginning of this thread and download the pdf file at post #21 you'll have a comprehensive table of VIN numbers and models
     
    Cole B likes this.
  4. Cole B

    Cole B XS650 Member

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    I checked it out but still confused. The numbers on the neck are A4R3001BA001224, the engine stamp is 2F0- 157547, can you point me in the right direction?
     
  5. Hey cole b, it looks like your engine is a '78/'79 and the numbers you give for the neck don't exist in the xs650's.
    How about a new thread, like an introduction and some pics? Maybe your frame is another animal altogether? Some pics might help.
     
    Cole B likes this.
  6. peanut

    peanut XS650 enthusiast & inveterate tinkerer Top Contributor

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    Sorry Cole but as nj1639 says it looks like you've bought a bike with a non Yamaha frame.
    Still looking on the bright side you've got one of the very best engines of the period available , strong, powerful and virtually unburstable.
    See if you can upload some pictures for us .....someone is bound to know what frame you have.
     
  7. Cole B

    Cole B XS650 Member

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    The bike is chopped up. But has yamaha forks, wheels and disc brake setup.
     

    Attached Files:

  8. Cole B

    Cole B XS650 Member

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    Numbers on the neck and rear of the frame
     

    Attached Files:

  9. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

    You may have a stolen, recovered, auctioned frame. Common practice for police auctions, when original VIN has been ground off, and they do a "Reassigned VIN number".

    I think I see remnants of the original VIN behind your strange VIN.
    ColeB-frame02.jpg

    You should be able to see raised edges on the letters/numbers of your reassigned VIN, indicating that it was stamped AFTER that area was ground down.

    Your frame appears to be an XS650 frame. The remnants of the passenger footpeg bracket shows that this would have been a 'special' frame.
    ColeB-frame01.jpg
     
    peanut likes this.
  10. Cole B

    Cole B XS650 Member

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    Thanks. I'm guessing my best bet is finding another frame. I don't have a title to this bike so I'm not sure I'd be able to even register it at this point
     
  11. peanut

    peanut XS650 enthusiast & inveterate tinkerer Top Contributor

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    well spotted hawkeye !;)

    i did see the bracket and thought mmmm................. but I have absolutely no knowledge or experience of frames from other manufacturers of the period and I couldn't think of any reason why the frame would have a non-Yamaha Vin.
    I also didn't spot the other stamping beneath either ............but it didn't evade your forensic scrutiny 2M :)
     
  12. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

    Thanx, peanut. For more fun, add "JY" to the front of this VIN, making it a valid Japanese motorcycle 17-character VIN.

    Then you get: "JYA4R3001BA001224"

    Plug that into a motorcycle VIN decoder:

    http://www.cyclepedia.com/manuals/CPP-VIN/index.php

    And you get:

    1981 Yamaha XS850H Venturer STAR SILVER
     
    nj1639 likes this.
  13. snoosky

    snoosky XS650 Member

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    Hey all, New to the forum. Ive just picked up a 79’ 650F. Title and frame numbers match but engine is a different number, Both neck and engine are 2F0 numbers except the last six digits are off. This bike is really clean with (almost) all original parts and only 4679 miles!
    The condition matches the bike but i am wondering why the different engine number and also could i run into any registration issues? Im in Oregon if that matters. Thanks
     
  14. 650Skull

    650Skull SSSSSSSSSlither Top Contributor

    .Welcome snoosky, Pics pics and more pics or we don't believe you:). Pics also help those, that know these bikes inside out, if the bike has had parts swapped from model to model. If the motor has been changed often other parts as well.......or not.

    Can't help with the registration info, but on the 2F0 code........6 models had 2F0.......78E..78SE...79F..79SF..79SII........and 80SG. Post the first 3 numbers if you don't want to post the whole 6. There was a change in the ignition system in 80 so if you motor is an 80 the PO may have swapped in the ignition as well. Also will help us help you if you have charging issues due to some minor differences.

    Carbs changed in 80, ID'ing and asking questions before doing any buying is a must.

    More info if and when required.
     
    snoosky and robinc like this.
  15. gggGary

    gggGary I'm listening, change my mind XS650.com Supporter Top Contributor

    Should be no problem on registration frame number is what counts. A lot of water under the bridge in 40 years, if only they could talk!
    It's often easier to swap in a good motor from another bike than repair.
     
    robinc likes this.
  16. snoosky

    snoosky XS650 Member

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  17. snoosky

    snoosky XS650 Member

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    5B6F190B-53FA-46EC-BBB8-30AC318697A5.jpeg Frame and title numbers 2F0-152XXX engine number 2F0-171XXX. Seems like such close numbers to be any random engine change. Anything is possible almost 40 years later tho :) Thanks for the input,I will definitely be posting more on the forums here. Cheers!

    View attachment 124117 View attachment 124115
     
    lakeview, robinc and gggGary like this.
  18. gggGary

    gggGary I'm listening, change my mind XS650.com Supporter Top Contributor

    Looks good! Do a head stud retorque. Lots of "changed " parts on fork, handle bars etc. may not be original speedo............ Like said lots of ??? over 40 years.

    Recently had "the mutt" through here; all low miles 79 special parts on a restamped 76 frame, That bike had a back story, LOL.
     
    snoosky and robinc like this.
  19. 650Skull

    650Skull SSSSSSSSSlither Top Contributor

    Does look nice and original except for the Lower handlebars and they will make for better riding............. 79SF Frame and 79SF motor, both from the same model/year. These bikes came from the Factory with matching engine and frame no's.
     
    snoosky and robinc like this.

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