Clutch Reservoir changeout - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 5 (permalink) Old 02-09-2011, 05:59 PM Thread Starter
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Clutch Reservoir changeout

I just replaced the whole left bar clutch assembly on my sp1 with one off an 04. My previous one was damaged in a wreck. Do I need to change out the fluid? As in drain it and replace the clutch fluid? If so, How is this done?
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post #2 of 5 (permalink) Old 02-09-2011, 08:27 PM
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If you changed out your clutch master cylinder, you'll probably need to bleed any air out of the line.

It would be best to get a Mity-Vac unit and bleed the line that way.
All you do is read the instructions, connect the unit, squeeze a few times to draw a vacuum, then open the bleeder valve.

You can then continue to pump the Mity-Vac and pull fluid down the line from the master cylinder into the catch bottle at the Mity-Vac side.

Just be sure and monitor the fluid level at the master cylinder reservoir.
It will empty quickly since it has less capacity than the brake reservoir.

If you're doing this yourself, just close the bleed valve and fill the reservoir and start again.
If you have help, they can just continue to fill the reservoir while you're pumping the Mity-Vac.

When no air bubbles are viewed in the clear hose to the catch bottle, close the bleed valve and check operation.

Just be sure and don't spill any brake fluid on painted surfaces. It will damage that paint.
I usually wrap a shop towel around the reservoir to catch any fluid that may dribble over the edge.

You of course can use this method to bleed your brakes, or to replace the fluid with fresh fluid.

Last edited by SubSailor; 02-09-2011 at 08:30 PM.
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post #3 of 5 (permalink) Old 02-11-2011, 08:41 PM
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+2^^^

You won't be able to help but to change the fluid out on the clutch reservoir change over....you are better off with new fluid anyway.

$40 Mity-Vac at Harbour Freight.



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post #4 of 5 (permalink) Old 04-08-2011, 08:37 PM Thread Starter
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Hey everybody, in regards to this I actually was able to do it for free with just the help of a friend. He pumped the lever and dumped fluid in the reservoir simultaneously while I caught the old stuff coming out of the bottom. Mighty vac would be great for 1 man job. thanks for all the help. cheers
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post #5 of 5 (permalink) Old 04-08-2011, 11:38 PM
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Quote:
Originally Posted by REXGUNN View Post
Hey everybody, in regards to this I actually was able to do it for free with just the help of a friend. He pumped the lever and dumped fluid in the reservoir simultaneously while I caught the old stuff coming out of the bottom. Mighty vac would be great for 1 man job. thanks for all the help. cheers
That's exactly what I had to do. Would love a mighty vac, but...
It works, you just got to close the bleeder valve each time the clutch handle hits the handle grip. then release the clutch slowly and watch the fluid in the cup go down a little. It take a little while, but I think its an acceptible way if you dont' got the vac.

John, 2000 RC51 #000100

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