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ST-MO50L 3 Speed problems

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Old 01-18-20, 05:01 AM
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Holmar
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ST-MO50L 3 Speed problems

Hi all, I recently got a MTB with Shimano ST-MO50L for free but I can't adjust it so I can shift all 3 gears in the front. The lever only pulls one time.
I'm not sure this is how it should work. Usually the mechanics pulls another time if you press the lever again but I wonder if that's the case here becaus I can also shift down by half a step. That could mean that my front derailleur doesn't fit to my gear shifter.
Does anybody else have this model and knows whether I only need to use WD40 with it to get it working?

Holmar

Last edited by Holmar; 01-18-20 at 05:12 AM.
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Old 01-18-20, 07:53 AM
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With Shimano index shifters always do the WD40 flush first.

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Old 01-18-20, 10:45 AM
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Holmar
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Problem solved

Of course you were right. Once again it was the very same thing as every time.
Thank you dedhed!
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Old 01-18-20, 11:03 AM
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Originally Posted by Holmar
Of course you were right. Once again it was the very same thing as every time.
Thank you dedhed!
Thanks for letting us know. So often we give advice and get no feedback as whether it actually solved the problem.
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Old 01-19-20, 06:33 AM
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Holmar
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I know that problem when searching for solutions and I hate it too.
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Old 01-19-20, 08:58 AM
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It's ALWAYS the very first thing to do with "broken" Shimano index shifters. It's so common, WD40 is cheap and available nearly everywhere, literally takes only minutes to do and see results. It's not that Shimano shifters can't or won't break or wear out, but they are pretty reliable.
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Old 01-19-20, 09:07 PM
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Originally Posted by dedhed
It's ALWAYS the very first thing to do with "broken" Shimano index shifters. It's so common, WD40 is cheap and available nearly everywhere, literally takes only minutes to do and see results. It's not that Shimano shifters can't or won't break or wear out, but they are pretty reliable.
In my experience they are very reliable. If they're left sitting for years and years, you can rely on the grease to turn gummy and sticky.
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