Question about Magura USA Marta SL Mountain Bike Disc Brake

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Levers pull to far and after riding downhill they work much better. the fluid seems to build up what's wrong?  when the bike sits over night I can almost pull the levers all the way and they will not stop.  riding on the flats does not help.  It usually take riding some down hills.

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Have you bled your brakes. what it sounds like you have air in your brakes and also low. do you have a leak coming from your disk brakes? Does the tubing seem oily? if so you might want to consider changing your tubing as there may be a leak.

Posted on Jul 17, 2009


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Clutch lever operation stiff and very noisy the type of noise you would relate to something seizing up. Since this started the neutral warning light has stopped coming on.

Cable? (oil it)
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Maybe pull the case, soak the plates in oil over-night/two.
If it is Hydraulic, then try bleeding the fluid (replace if old).
Good luck with it.
For more Bike Stuff, go to YouTube/CrashTestDummyTV.
Cheers n Happy Trails (when it goes...).

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What are the starting instructions for an Ariens snow blower, 10000 series, Model # H5065226H

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Zephyr 550 clutch adjustment

I looked up your bike and i belive that your bike has a cable clutch on it and not a hydrolic. So on your clutch lever there will be a bolt that goes into the the lever and a securing nut where the cable goes into the lever. If you unscrew your bolt the clutch get tighter and if you scew the bolt in the clutch gets looser. You should try to lubricate the cable and clutch. If it has been sitting for to long it may just be getting stuck. make sure that your clutch lever snaps back into possition. Your clutch lever has to have some play in it because if it is set really tight you will start to engage the clutch. If it is to loose then you wont be able to engage the clutch. You want about 6-10mm of play from the end of the handle bars to end of lever. So it will move that far before it will engage at all. This is a factory setting you may tighten or loosen depending on your riding style but remember the consiquences of what you are doing. if this is how your bike is set up then it is probalby your clutch plates. I hope this has helped you if you have any questions about any step just shoot me an email anytime. Good luck
A.J. Weaver

Mar 30, 2012 | 1991 kawasaki Zephyr 750

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I have a 2002 honda vt600c bought it from a guy that I watched ride it but after it sat over winter the clutch doesnt seem to work ..shift into 1st and it kills bike. any ajustments I can make or do

Sounds like the clutch plates may be stuck together. Happened to me after a long trip in the rain and bike sat for a few weeks after that. Had to take the cluch discs out and clean them

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05 KTM 525 Clutch problem Clutch not disengaging when bike gets hot

It sounds like to me that the slave cylinder { If it is close to the engines gearbox} it might b getting to hot. How is the oil in the gearbox? It could be overheating !!!!!

Mar 13, 2012 | KTM Motorcycles

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Having problem with my front brake for Yamaha R1 , the brake pads are locking while am riding n it happens after about a mile. The problem started after replacing a brake lever . Any solution ?

OK.... The problem is your brake lever. There is nothing wrong with your braking system, Master Cylinder is fine, pads are fine, fluid is fine, everything is fine. Replace that brake lever with the original one your took off, if not, it will cost you your life. I know I was almost killed due to the wrong brake lever. Everything on the new lever looks right. Right? Same, pin hole size, the plunger seems to fit perfect, the brake light switch flange, it fits, appears to work fine, doesn't bind.. Then wham!! You lock up. DO NOT RIDE WITH THAT NEW LEVER ON.. No matter how expensive it was. Live with the Stock one until you can be sure that the next one you buy is absolutely and irrevically safe to ride with. This MOD is not worth your life. FYI, my lock up occurred in the dark, US 101, lane three, 80mph. 80mph to 0mph in 1 second flat. Bike did not flip just came to a massive stop. I will spare you the "Most frightening 2 minutes of my life". I have 26 years of riding experience, and one stupid mod nearly took my life, and my bike, and more importantly, could have taken someone else's life, or scarred them for life had they hit me... Just saying'.
Happy safe riding. Phil.

Feb 23, 2012 | 2008 Yamaha YZF-R1

1 Answer

1998 Suzuki rm 125. Changed clutch lever and when pulled in its not engaging tried to adjust cable in all ways 1/4in play still nothing someone said to pull lever and duct tape it overnight maybe will...

I am sure it's a wet clutch. Pop your bike in neutural. Remove your clutch crank case cover and, using a screwdriver, separate the plates manually. Put the tip of your screwdriver between the edge of the clutch plates and turn the screwdriver. It will break the seal of your plates and spacers. Put it all together again. Do a fluid flush and refill your oil to recommended levels. Get the bike running again and give it a go. Should be fine. Good luck!

Oct 14, 2011 | Motorcycles

1 Answer

1999 Aprilla Bike has been sitting--No clutch pressure at the clutch lever

Your Mille may have leaked all of the hydraulic pressure out of the system while sitting. It is not out of the ordinary for this to happen. I would simply add more hydraulic fluid at the master cylinder by the lever and then pump it up and bleed at the slave cylinder on the left side of the engine. this process is just like bleeding the brakes. You may have to let the bleeder screw loose at the slave cylinder for a few minutes to let the fluid start downhill.

Thanks and I hope that his helps.

Jan 29, 2011 | 1999 Aprilia RSV Mille

1 Answer

I'm a 60 year old female. Only just learning to ride a bike. Husband been riding for 60 years and doesn't seem to understand my problem! I have a bike with SI-6KT0B gears. I understand the principles of...

Congratulations on learning to ride the bike. I use the rear gears mainly i.e. the gears on the right hand side. Each rear gear makes a little difference so it makes it a little easier to go uphill. (When the chain is on the back smallest cog wheel it's hardest to pedal and easiest on the largest. The reverse is true of the front cog wheels) If you come to a very steep hill you should use the front gears i.e. the lever on the left hand side. This makes a bigger difference to the effort needed to climb a hill. When you have put the front gear into the easiest position, (on the smallest cog wheel) you can still use your rear gears to make it easier still. For going on flat ground or downhill most people keep both sets of gears on the hardest gear. (The front gears on the largest cog wheel and the rear one on the smallest) However there's no rule that says you have to. Use the one that feels you're using just enough energy to turn the pedals and in time you won't have to even think about the gears. I hope this helps.

Aug 09, 2010 | Cycling

2 Answers

Front Brake is Locked

Now that you have bled the brakes and everything seems okay, try pumping the brake lever many times while the bike is stationary. Do the brakes build up pressure and not release? If everything still seems okay after you do that I would take the bike for a ride around the neighborhood. Stop every few minutes to make sure the disc isn't heating up indicating the brakes may not be releasing properly.

If the master cylinder is working properly, when you pull the brake lever fluid is pumped into the brake line. This forces the brake pads against the brake disc, stopping the bike. When you let off the lever the fluid is allowed back into the master cylinder. If the cylinder does not release the fluid it could put a quick end to your riding. I would not be comfortable letting someone ride this bike very far until I took the master cylinder apart and satisfied myself that it was problem free.

May 24, 2009 | 2008 Suzuki GSX-R 600

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