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cam chain tensioners

Discussion in 'The Garage' started by inxs, Mar 26, 2010.

  1. The pikey 84

    The pikey 84 XS650 Member

    The engine was rebuit by someone else and the long front tensioner was not in it...I'm new to working on motorcycle engines so I'm going by the book..and it shows to have all 3 timing chain blocks in the engine. 3rd pic..just freaking out..
     
  2. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

    Yeah, 3rd pic is the perpetually shown backwards install.
    Look at post #36, just before your first post.
    That lower slipper goes to the rear of the case.

    Edit: Still looks goofy, but here's a revised pic.

    71-73-Cam-Tensioner-new.jpg
     
    Last edited: Jun 3, 2018
  3. The pikey 84

    The pikey 84 XS650 Member

    Pictures he posted that is the correct mounting of the tensioner?
     
  4. The pikey 84

    The pikey 84 XS650 Member

    So it's supposed to be in just like that but with the rubber facing towards the back of the engine?
     
  5. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

    No, the rubber faces forward. It arrests the chain "fling-off" from the rear of the bottom sprocket...
     
    The pikey 84 likes this.
  6. The pikey 84

    The pikey 84 XS650 Member

    Oh ok thank you !
     
    TwoManyXS1Bs likes this.
  7. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

    Be mindful of the 4 screws that bolt that thing down. 2 should be fully threaded, 2 should have a slight shoulder. The 4 holes in that tensioner block should have 2 that are slightly larger, for those 2 shouldered screws. The 4 mount holes in the case should have 2 with a slight counterbore recess, for those 2 shoulder screws. See if you can see those...
     
    gggGary likes this.
  8. The pikey 84

    The pikey 84 XS650 Member

    So that is the correct way to install it?
     
  9. The pikey 84

    The pikey 84 XS650 Member

    Ok.gotcha! Thanks for everything!
     
  10. TwoManyXS1Bs

    TwoManyXS1Bs BBQ Hunter Top Contributor

    Should be. See if the shoulder screw alignment agrees with his mounting...
     
  11. The pikey 84

    The pikey 84 XS650 Member

    Ok. I'll have to get back to you on that..
     

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