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March 27th, 2016, 08:02 PM   #1
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Master Cylinders Loss of Pressure

Just food for thought.

I have noticed over the years that allot of issues with pressure loss while bikes are in storage.

I have a thought that might be onto something. While looking at the bikes parked in the shop I came across something interesting. I walked over to each machine that was in storage and checked pressure of the masters.

Some machines had softer hydraulic pressure than others both with clutch and brakes.

This is what I have found.

The machines that had pressure loss while stored were the machines with high lines. The hydraulic lines were quite a bit above the master cylinders. In thinking that air has risen into the high spot over time.

The machines with lines that were almost level and or parallel had no loss at all and the systems were just as new and in perfect form.

So now I am thinking that the masters must need to be the highest point during storage. Next year in the off season, I will make sure the lines on the machines that had soft pressure are tied down and see what happens after storage. If they hold the pressure as the machines with low lines we might have something.

I know allot of comments have been made to put a zip tie or elastic on the lever and hold pressure during storage helps, but I do not feel this is a good procedure to use as holding fluid pressure for long periods of time can be hard on seals.

Something to maybe think about with these findings?????
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March 28th, 2016, 08:17 AM   #2
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probably a lot of truth to your theory. now if we could just get a fluid that's lighter than air.
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March 28th, 2016, 09:37 AM   #3
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It makes sense what you say, I will check my lines.



But this makes no sense:
Originally Posted by FE350 View Post
...Next year in the off season,...
There is no off season, just studs or not
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March 28th, 2016, 06:46 PM   #4
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Originally Posted by jon andersson View Post
It makes sense what you say, I will check my lines.



But this makes no sense:

There is no off season, just studs or not
LMAO, I have one, to old and tired to fight in the snow
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