Question about 2000 Yamaha DT 125 R

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DTR 125 MASTER CYLINDER NOT BLEEDING NEEDS REFURB IS THIS AN EASY JOB OR WOULD I NEED PRO HELP

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It's a simple task if you are somewhat mechanically inclined. No need to pay someone to do it for you. Just be cautious about taking it apart - lay it out in order, clean the housing and all re-used parts well with brake cleaner and a brush and inspect the bore and reassemble.

Bleeding the system can test your patience - you might want to investigate back bleeding - where you fill the system backwards through the caliper bleed screw. Back bleeding will leave the system rock solid but it can be a challenge if you don't have a good way to get the fluid in the system. You can use an irrigation syringe and a short length of tubing. You can get the syringes from your local animal vet.

Posted on Feb 04, 2010

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Yes easy, buy a kit, undo c-clip install new part in reverse order

Posted on Feb 04, 2010

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1 Answer

2005 tundra, I flushed brake fluid and the norm brake job, I'm certain all air out of lines. I now have o pedal an no brakes. I also re built master cylinder ? HELP


Try bleeding the air out of the master cylinder crack the lines at the master cylinder the same way you would at the caliper then do the calipers

Dec 10, 2016 | 2005 Toyota Tundra

1 Answer

1988 dodge dakota brake problems


It's the master cylinder, Theresa. It will need replacing, because the internal seals are not holding against pressure.
It is not a job for just anybody, but somebody with some experience in bleeding the master cylinder and then bleeding the individual wheel brakes could do it. It's a procedure for getting all air out of the system after replacing parts.

Aug 01, 2013 | Cars & Trucks

2 Answers

Abs light is and so is brake light


Hi Kathy, I'm guessing that you mean you've replaced the brake master cylinder. It helps to be as specific as possible, so we can help you in a specific way. Make sure that the brake fluid pipes connecting the master cylinder are sealing correctly. There must be no leakage from them at all. Fill the reservoir and keep it filled throughout the whole bleeding procedure by having someone topping up each time the level goes down. Begin the bleeding procedure at the wheel furthest from the master cylinder and move one wheel at a time closer. The procedure is to push the pedal repeatedly to the floor and releasing to come full travel to the top of its movement. Repeat several times and while holding the pedal fully depressed to the floor open and close the bleeding valve on the wheel being bled before beginning the pumping action over. Once all wheels have been bled and you have reached the wheel closest to the master cylinder, if the pressure in the system is insufficient repeat the whole job until brake pedal pressure is normal. Look for signs of leakage on all four wheels in the event there is a leak on a wheel cylinder. The brake warning light should extinguish when the park brake is released and the ABS light when pressure is normal in the system, unless there is another separate fault. Finish up on the bleeding first and let me know how you get on. We'll tackle one job at a time. Regards John

Oct 14, 2012 | 1998 Chevrolet Blazer

3 Answers

Why does clutch leak off and wont go into gear 96 toyota tacoma when you push on clutch pedal goes to the floor it wont engage clutch to be able to put into gear


the most likely reason is either the clutch master cyl. needs to be replaced.or the.slave cyl. its mounted down on the transmation under the hood find the resivore for the clutch. check the fluid level.if its low , fill it back up , and look for signs of a leak
you will probally have to bleed out all of the air from the system.its done almost the same way as bleeding the brakes. Good Luck.

Nov 05, 2011 | Cars & Trucks

1 Answer

What needs to be done after replacing front brake pads on a 2005 s60 if the pedal goes to the floor? They were bleed after the new pads were installed.


The liquids does not compress, so there is no reason for the brake pedal to go to the floor. If you have no brake pressure, after bleeding the system, then the master cylinder is wasted. The brake master cylinder leak might be Internal, or External. Check around the master cylinder for any external leak. The break fluid is an excellent paint eater, so clean any leak before you remove the Master Cylinder. The new Master Cylinder needs a bench bleeding process, before installed in your car.

Oct 27, 2010 | 2005 Volvo S60

1 Answer

I have a 1999 tm 125 and the clutch needs bleeding and wondered how to do it.


Best bet is to get hold of a medical syringe, sounds strange, but bear with me on this. Crack open the banjo bolt on the engine casing and let the fluid run out. Re tighten the banjo bolt. Disconnect the pipe from the lever end, this pipe should now be empty. Now this is where your syringe comes in. Fill syringe with fluid, and squirt it into the pipe, may take a couple of fills. When it is full, re connect it to the master cylinder (lever end) you'll prob have to take the lever off the bars. DO NOT PULL THE LEVER IN !!!! Open master cylinder, fill with fluid, close and try. You may need to do a little bleed again though. If so, fill syringe with fluid, attach a piece of regular petrol line to the end, connect this to bleed nipple on slave cylinder, and crack open (engine end). Open master cylinder cover (on bars), pull lever while injecting fluid. You should see the air bubbles in the master cylinder coming out. Once clear, lock off bleed nipple THEN release lever, close Master cylinder, job done. Sounds worse than it is, and after you have done it a couple of times, its really easy.

Cheers,

Mista B.

Jan 01, 2010 | 2002 TM Racing MX 125

1 Answer

XRX 125 and no pressure after blleding


sounds like your master cylinder seals have gone take the cylinder off and strip it replacing all the seals buddy

Sep 02, 2009 | 2002 Hyosung RX 125

1 Answer

04 Yamaha Yz 125- Rear brake Master cylinder


Are you bleeding it by gravity (flowing down from resevior thru caliper) or forcing the fluid up thru the caliper to the resevior. The latter will get more air out in less time. Simple cheap pump kits are available at you auto dealer and u can use it on your other vehicles.

May 14, 2009 | 2004 Yamaha YZ 125

2 Answers

Brake lines still have air after bleeding


Bleed them again -- one bleed is not always enough.

May 05, 2009 | 2006 Jeep Liberty

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