Question about 2012 Yamaha FJR 1300A

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Bleeding brakes with dual discs

How do you bleed the front brakes on a bike with dual front discs and only one bleed valve.

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  • Jim Murray
    Jim Murray May 16, 2014

    spot on! the left side bleeder is hidden behind the reflector. thanks

  • damo May 16, 2014

    Glad i could help ;-)

  • Williem Vell May 18, 2014

    it basic the same as bleeding a car brakes.pump the hand brake hold it down. open bleed screw.when it stop bubbling or running close it.repeat until there no bubbling. while doing this you must keep brake lever close.ps. invest in you a vaccum pump

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  • Expert
  • 101 Answers

There has to be a bleed nipple on both calipers - its impossible to bleed a two calipers on separate sides of the bike with two brake lines with one bleed nipple - go back and have another better look.

Posted on May 15, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

DickCanFixIt
  • 948 Answers

SOURCE: Soft front brakes after bleeding the brake lines,

One easy thing to try is clamp the front brake lever overnight. If there are any air bubbles in the system they should be compressed and in theory work their way to the highest point in the system - the master cylinder. Doesn't always work but the price is right.
My experience has been air enters the calipers more than it does the master cylinder due to miscommunication between the person squeezing the lever and the person opening the bleed screw. They do have bleed kits these days that make it a little easier.

Posted on Apr 06, 2009

  • 39 Answers

SOURCE: 2006 yamaha r6 yzrf front brake problem

your rotor(s) are bent so when you bleed the brakes everything is good but when your riding the bent rotor is pushing the the caliper pistons back and when you go to brake you have to pump them up take rotors off and inspect them

Posted on May 15, 2009

voodoomox
  • 1689 Answers

SOURCE: REAR BRAKE WONT BLEED

hi mgrant,

these links may help you out.

im a member of thumpertalk as well as advriders.com. issues like such are common but still solutions are dependent to the current behavior and status of your brakes.

http://mysite.verizon.net/avinh/motorcycles/wr250f/changing_brake_fluids.html

http://www.brakebleeder.com/

If you did not find the links helpful, please do not hesitate to post a question in the community forums.

regards,

voodoo

ps. happy trails

Posted on May 22, 2009

co7196
  • 3433 Answers

SOURCE: no front brakes on 95 yamaha big bear atv

gravity bleed. make sure fluid is always full. crack open the bleeder screw and let the brake fluid drip until no bubbles. Then close bleeder top off fluid and replace cap. Now, pull the brake handle. If there is no pressure or has bleed down, the master cylinder is kaput.

Posted on Jun 20, 2009

ckoira57
  • 267 Answers

SOURCE: how to bleed brakes on ttr250 2004

Squeeze brake lever or depress brake pedal with mild force and hold pressure as you loosen bleed nipple (small dome shaped nut with tiny hole in centre) slightly to allow trapped air/water to spray out. maintain pressure till an uninterrupted flow of clean brake fluid is emitted, tighten up bleed nipple and replenish hydraulic reservior with NEW fluid. Test before hitting the tracks. Cheers.

Posted on Apr 28, 2010

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1 Answer

How to release brake caliper pressure on 2000 nissan sentra


Hi Shelby,what are you trying to do?To release pressure,get a wrench and open up the bleeder valve their,get a rag to catch the fluid.Here's a link to a diagram of the bleeder valve.Also here's another link on bleeding,Is your brakes sticking,you may need a new caliber. Repair Guides Front Disc Brakes Brake Caliper AutoZone com Here's how to bleed. http://www.autozone.com/repairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f80381ef5 Here's another link on replacing your caliber. Repair Guides Front Disc Brakes Brake Caliper AutoZone com Here's a link to a new caliber. Brake Caliper Front

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Where is the brake bleed valve for a 1986 goldwing?


All bikes, actually all vehicles (to my knowledge) bleed at the caliper, the device that squeezes the metal disc, at the wheels. Bikes are fussy and sometimes hard to bleed, if I could suggest a method which helps, read on;
1. Use a piece of hose which fits snugly on the little "bleed valve" (a small threaded nipple on the top of the caliper body), long enough to go into a small jar,
2. Open up your master cylinder reservoir, fill it, leave the cover off.
3. Loosen the bleeder, attach the hose to it, run the other end into the jar, and put enough brake fluid in the jar to cover the end of the hose, and perhaps an inch or two above it.
4. Be sure the bleeder is open enough for the fluid to flow, slowly squeeze the brake handle or pedal, fluid and air will push into the jar under the surface level of the fluid. Be absolutely sure the reservior stays full.
5. Bleed it good, flush the old dirty stuff out. The hose under the surface of the brake fluid won't let air get back in.
6. While holding the brake lever or pedal down, remove the hose and tighten the bleeder.
Make sure your reservoir level is good, DON'T overfill! Brake fluid expands when hot and may cause your brakes to stick.
Wipe up brake fluid immediately, it makes a great paint stripper.

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Brake bleeding can be a long, messy process. With the reservoir open and full, apply brake and hold it. Now loosen the bleeder valve and let fluid drain until the flow stops or the brake lever compresses. KEEP HOLDING THE BRAKE LEVER, now close the bleeder valve. Now release brake lever. Fill reservoir again, repeat until all bubbles come out of the line and you get restored brake tension. It could take awhile. By the way, what happened such that you lost braking to begin with?

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1 Answer

Do you bleed dual control brakes the same as regular hydraulic disc brakes?


only if you have a resevoir with that fluid in it there should be a bleeder valve in the caliper

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1 Answer

I have a Schwinn Ditch mountain bike with front disc brakes and a quick release front tire. I pooped the tire off using the quick release on the hub and the tire simply slipped off and out of the disc...


You have to bleed the break fluid on your break and press the pads on both sides then insert the disc. When you bleed the break fluid do not press the lever.

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No rear brakes on 1985 honda goldwing aspencade. What could be the problem ?


Check your rear brake resevoir. Fill it with Dot 4 brake fluid and proceed to bleed the brakes, If this does not resore your braking and there is no sign of a leak on the rear caliper, you will have to replace the seals in the master cylinder, or the complete cylinder.

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HARLEY- 02 DYNA WIDE GLIDE front brake bleeding problem master rebuilt caliper also lever builds preasure but when bike is started and moved the lever bottoms out NO BRAKES


Starting the bike has effect on the front brakes and I doubt moving the bike does either. The problem sounds like you're using an improper procedure to bleed the brakes.

First, fill the front master cylinder reservoir with the proper type of brake fluid. Then, bleed the master cylinder. Use this EXACT procedure. Squeeze the lever and hold it. Then loosen the line from the front master cylinder and allow the pressure to bleed off. Release the brake lever. Repeat this procedure again. Do not allow the master cylinder reservoir to run dry during any part of this bleeding process.

Then move to the caliper bleeder valve. Squeeze and hold the brake lever, open the bleeder valve and bleed off the pressure, close the valve, release the lever and allow the master cylinder to refill. Repeat until you get a full firm brake lever. Top of the master cylinder. Wait a few minutes and test the brakes.

If you cannot get anything to work out, look in the very bottom of the master cylinder reservoir and you'll two holes. One is relatively large and the other is very small. Using a small drill bit or a strand of wire, make sure the small hole is open. I've seen trash plug this hole and the brakes not work correctly. DO NOT MIX DIFFERENT TYPES OF BRAKE FLUID. The correct brake fluid to use is printed on top of the reservior top.

Make sure you test the brakes before riding the bike, improper brake servicing can lead to serious injury or death.

Good Luck
Steve

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