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Thread: Honda atc 70 chain tensioner upgrade diy

  1. #1
    oldoo's Avatar
    oldoo is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Honda atc 70 chain tensioner upgrade diy

    So today after work I decided to muck around with my old flogged out chain tensioner.

    So... I drilled out the old tensioner sprocket and bolted on a rubber roller.







    I have two choices to either bend the plate to allow the bolt to clear, or grind back and weld the bolt.




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  2. #2
    oldoo's Avatar
    oldoo is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Welded it up, looks Schmick. I just need to tidy it up.



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  3. #3
    Join Date
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    Nice.

    When I do mine like that, I drill & tap the plate, screw the bolt in, grind to length.
    Then take it apart and put back together with loctite.

  4. #4
    oldoo's Avatar
    oldoo is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Quote Originally Posted by jb2wheels View Post
    Nice.

    When I do mine like that, I drill & tap the plate, screw the bolt in, grind to length.
    Then take it apart and put back together with loctite.
    Yeah nice, that came to mind too and would also work well.


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  5. #5
    Join Date
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    Does this upgrade quite down the usual noises the stock tensioners make?
    Trikes
    1970/71 US 90 (Aquarius Blue)
    1970/71 US 90 (Future Project)
    1972/73 US 90 Camo Project (110 Big Bore)
    1972/73 US 90 Green
    1977 ATC 90 w/83 110 motor (Fugly)
    1982 ATC 70
    1983 ATC 70 (Ladybug)
    1973 ATC 70

    1965 Marketeer 3 Wheel Golf Cart with 1986 Honda 250 drivetrain

    TF 2015

    Other
    1983 Honda Z50
    1978 Honda XL75

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  6. #6
    oldoo's Avatar
    oldoo is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Quote Originally Posted by coolpool View Post
    Does this upgrade quite down the usual noises the stock tensioners make?
    I'll let you know once the project is done


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  7. #7
    Mosh is offline I'm the one with all the 2 stroke around here! The day begins with 3WW
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    I have been just using the plastic roller with needed washers- bolts and spacer and bolting it to the slotted groove and loosen and adjust as needed. 5 years still going..12 bucks and 20 minutes
    Here is where my long useless list of stuff nobody cares about should go...


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