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Thread: chain tensioner

  1. #1
    Join Date
    Mar 2010
    Location
    Freehold ,nj
    Posts
    448

    chain tensioner

    i just finished rebuilding my top end after i have taken it all part to find my chain tensioner was bad. fixed it all up got it running good just to bring it out for a weekend trip to have it brakedown on the end of 2nd day after bring it back home i pulled the tensioner and just as i thoought broken again.

    what could cause this to brake like this?

    this is my 2nd one in a month to go through so something has to be casuing it maybe something in my lower end but i am not sure

  2. #2
    Join Date
    Oct 2006
    Location
    Biloxi MS.
    Posts
    367
    alright you say you have a fresh rebuilt TOP end that mean you did not change your timing chain? The chain could be to loose whipping the tensioner. Second ,were the chain guides put back in ?

  3. #3
    Join Date
    Aug 2008
    Location
    Central NJ
    Posts
    11,326
    I helped him do it and yes the chain was tight and we replaced the guide that you can simply pull out.

  4. #4
    Join Date
    Mar 2008
    Location
    Vancouver, WA
    Posts
    649
    Might just be bad luck.
    If you aint wreckin, you aint ridin'

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  5. #5
    Join Date
    Mar 2010
    Location
    Freehold ,nj
    Posts
    448
    well the big resaon i ask is b/c i remember someone saying that there's broke b/c somthing else whent bad in the bottom end and i was hopping to get a idea of what to look for before i take the case off

  6. #6
    Join Date
    Apr 2005
    Location
    Manhattan, Kansas
    Posts
    1,955
    well from what youve posted it sounds like you DIDNT change the timing chain, and thats more than likely the problem.
    -Tyler-
    -2000 440EX-
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    The reason most people fail instead of succeed is that they trade in what they want most for what they want at the moment.

  7. #7
    Join Date
    Oct 2006
    Location
    Biloxi MS.
    Posts
    367
    Originally posted by CJM
    I helped him do it and yes the chain was tight and we replaced the guide that you can simply pull out.
    can you better describe the damage to the tensioner? I have had the same one forever so I dont have a clue

  8. #8
    Join Date
    Mar 2010
    Location
    Freehold ,nj
    Posts
    448
    the internal spring on the tensioner keeps brakeing and idk what to do

  9. #9
    Join Date
    Oct 2009
    Posts
    6
    are you installing it fully extended? Or are you retracting it correctly, installing it, then releasing the spring?

  10. #10
    Join Date
    Mar 2010
    Location
    Freehold ,nj
    Posts
    448
    yes i am installing it the right way i keep the plastic hold in install everything else then put it in and pull the plastic out and then chain gets all tight

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