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Thread: Sorry for the stupid question... what is this? Can't find in my manual.

  1. #11
    bwringer's Avatar
    bwringer is offline Forum LongTimer Bard Award Winner
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    My rebuild tutorial:

    https://www.bwringer.com/gs/camchaintens.html

    Yes, the tensioner in the pics is shaped a little different; yours works exactly the same, and the seal and o-rings are the same.

    No, this procedure isn't in the manuals. No one knows why.

    And yes, the seal and o-rings are missing from many specific model parts diagrams. Again, no one knows why...
    1983 GS850G, Cosmos Blue.
    2005 KLR685, Aztec Pink - Turd II.3, the ReReReTurdening
    2015 Yamaha FJ-09, Magma Red Power Corrupts...
    Eat more venison.

    Please provide details. The GSR Hive Mind is nearly omniscient, but not yet clairvoyant.

    Celeriter equita, converteque saepe.

  2. #12
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    Quote Originally Posted by Steve View Post
    I did a bit more digging, found that the 400 and 425 have three-bolt tensioners with the spring on the right, but the 450 has a two-bolt tensioner with the spring on the left..
    For what it's worth, my 1981 450e is two bolt and has the spring to the right. I suppose the previous owner could have installed it upside down at some point...

  3. #13
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    Quote Originally Posted by Brendan W View Post
    Must admit, that was my first reaction as well but I checked a parts fiche that seems to show that the 450s are citogs ( southpaw, is that the expression?)
    Having never seen one on the left, I doubt the factory installed them that way, parts fiche notwithstanding. I don't think it would function any better or worse mounted left or right. Rotating it every few years like a tire might equalize the gravitational effects on wear.

    Or maybe the PO liked to twiddle the knob while riding for a flamenco cafe percussion effect.
    '82 GS450T

  4. #14
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    Quote Originally Posted by John Park View Post
    Having never seen one on the left, I doubt the factory installed them that way, parts fiche notwithstanding. I don't think it would function any better or worse mounted left or right. Rotating it every few years like a tire might equalize the gravitational effects on wear.

    Or maybe the PO liked to twiddle the knob while riding for a flamenco cafe percussion effect.
    Maybe the starter motor goes in and out easier with the spring on the left??
    If I'm not mistaken the stroke on the 450 was shortened.
    Last edited by Brendan W; 10-27-2020 at 01:25 PM.
    80 GS850GT
    79 Z400B

  5. #15
    Gorminrider is offline Forum Sage Past Site Supporter
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    Actually the GS650 manual has some info. Section 1-3 and 3-33

    camchain.jpg

  6. #16
    Gorminrider is offline Forum Sage Past Site Supporter
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    page 3-34 yet more camchain per 650G manual
    camchain2.jpg

  7. #17
    Gorminrider is offline Forum Sage Past Site Supporter
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    page 3-35 yet,yet MORE! from 650G manual

    camchain3.jpg

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