Quote:
Originally Posted by cmbicycles
I have a pile of broken shimano shifters, mostly 9spd vintage. Most upshift fine, but don't downshift w/o having to hold or lightly push the other lever. Anyone have any luck repairing these?
I have degunked and relubed them. I disassembled a couple in hopes of finding something obvious, but it seems not so obvious what would cause it other than weakening spring tension. I enjoy tinkering with this stuff for fun,which is a totally different discussion altogether. I am wired that way... or wierd that way, depending on how you arrange the letters. But any help would be appreciated.
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Here's a link to a guy who disassemble and reassemble both DA 9 and Ultegra 9 STI levers:
http://www.norvil.net/pedal/service/...osti/index.php
Another problem is finding spare parts. Hopefully, you'll have enough good stuff in your pile. Good Luck!