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Shift return spring broken. cause of this?

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hey guys, 

so i broke the return spring some how but i was able to replace it pretty easily. hardest part was waiting for the spring to come in.

 

if you guys are wondering what im talking about this is a similar situation, except my spring actually broke. not sure what exactly happened to him

http://www.thumpertalk.com/topic/990041-shifter-return-failure-to-home-trouble-shifting-advice/

 

 

i was just wondering what could have caused this? lots of wear on the spring itself over time? or hard down shifting? id imagine it can handle loads of pressure. i did notice the plate on the shaft was blued in color as if it was taking a lot of heat. i have pics if needed. oh yeah my bike has a little under 17k miles.

 

any input would be awesome.

 

thanks guys!

Edited by ttsang91

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No particular cause.  It happens.  A defect in the spring.   Nothing an owner can do to cause or prevent the spring breakage.  Had to change mine in a motel parking lot after riding for 7 days with no spring.

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For a broken spring.. Why??, by what reasoning did you feel the shiftier shaft was not serviceable due to a thin metal spring failing?

well the bottom end has done 20'000 miles. I fought while im in there i will change the shaft also just least it has a new one :)

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well the bottom end has done 20'000 miles. I fought while im in there i will change the shaft also just least it has a new one :)

Ahh, ok,, so really nothing to do with the original post, nor anything to do with fixing a broken spring. 

 

Got it.. the post was just confusing as an answer to the OP and his posted concern.

 

Thanks for clarifying. 

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