Rear Suspension - Is it worn out?
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  1. #1
    Member Nerk's Avatar
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    Hey Guys,



    I had a question regarding my rear shock (stock 2002 tw200). I have a hollow TW200 that has an after market ear fender under the back seat. It is not a issue related to the location of the after market fender. I was never a problem 6-7 months ago.



    When I first started riding with my girlfriend on the back (I'm 220, she's about 120) when going over a large bumps the rear tire would rub against the plastic aftermarket fender. (4-5 months ago)



    In the last month I noticed it would contact more and more with her on the back.. Then last night when I was driving home alone for the first time over a bump I managed to bottom it out and it happened every most bumps on the way home.



    It seems the rear suspension has worn out? what are my options.. can it be re-packed or do I need to buy a new shock?





    any advice you could give would be much appreciated.



    Thanks

    Nerk

  2. #2
    Senior Member assquatch20's Avatar
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    The less-than-serious response would be to say somebody has put on weight.



    Really though, that could very well be a worn out shock. If you search on the forum or the TW wiki, you'll see the known options aside from a stock replacement.

  3. #3
    Senior Member xdac's Avatar
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    Mine did that too because I gained 15 pounds and my swing arm grew 3 inches. More leverage and weight...so I put a Tw spring and a spacer onto a banshee shock. Huge improvement and adjustable
    2008 TW200 with a super cool exhaust

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  5. #4
    Senior Member macbig2k1's Avatar
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    Not the shock is the problem, it's the spring.

    One option...

    is to change the spring

    -> using a new Yamaha spring

    -> or using a after market spring



    Or the other option...

    increase the spring preload

    -> use a custom made spacer (1 cm should be a big enough)

  6. #5
    Member Nerk's Avatar
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    Thanks guys, i found another mechanic who's going to take a look tonight.. he said the TW rear shock is too "simple" so we cant add a spacer to pre-load? Again i'm not sure i'm just going off what he is saying.





    he said we can order a new spring from Japan and also because i'm a large guy he recommended going to a stiffer spring... i'll let you know once he has a better look at the bike.



    Nerk

  7. #6
    Senior Member macbig2k1's Avatar
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    Quote Originally Posted by Nerk View Post
    he said the TW rear shock is too "simple" so we cant add a spacer to pre-load?
    Hi Nerk,



    I think, this mechanic isn't a good one or he is just a "simple" mechanic.

    If you want I can make for you a drawing for this simple aluminum alloy ring.



    Sebastian

  8. #7
    Member Nerk's Avatar
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    Hey MacBig,





    Thanks for the help on this. The mechanic ordered me a new spring from Japan and flew it in over night - he switched it out the next day and charged me a total of 180usd. (Again I have no tools or garage of my own in HK so I need to pay someone to do work for me)



    He made a comment that I had a 10mm spring and that the new one is 12mm... but i also read the Stock TW spring is 12mm... so i'm not sure why I would have had a 10mm? (Mine is a 2002).



    Regardless the ride is 100x better now, I cant believe how soft my tail end was and I just let it be. I feel way more confident with my girl on the back now as I never hear the sound of my tire hitting the fender.



    I do appreciate your help on this to educate me on the problem, and you were correct!



    Here is a pic of the new spring, and a pic of my bike from my cause Friday night ride.









    Many thanks

    Nerk.

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