Question about 2002 Yamaha YZ 426 F

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Bleading braks on gpz 400

I need to no how to blead the front brakes on my gpz 400 can you help.its a amercan inport

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To some this meight sound like a backyard plan but I promise you this works.
Get hold of a windscreen washer bottle from a car that the pump is still working,throw some brake fluid in the bottle,bleed some excess air out of the pipe,attach the pipe to the bleeding nipple on the brake calliper (this is a reverse bleeding method),the cap where you fill the brake fluid on the bike reservoir must be open,this method works best when you are two,switch on the little pump and then open the bleeding nipple on the calliper,observe the bubbles in your reservoir,as soon as the bubles stop,close the bleeding nipple first and then switch of the lectric pump,the brake fluid may spill out of the resoirvoir so take great care when performing this task.
If you can not find a windscreen washer bottle,you can also use one of those little mechanical oil cans.

Try this we even use this method when bleeding clutches on big trucks,and vehicle brake systems,it works 100%.

Posted on Jan 21, 2009

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Very simple. hold brake lever and crack open bleeder screw on caliper. when it goes down, tighten screw. do this multiple times. make sure to tighten bleeder before releasing brake lever.

Posted on Jan 19, 2009


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What is the proper way to bleed the brakes on this bike with ABS?

Hi,I had a yamaha fj1200 that had abs and when bleading the brakes I just blead the brakes in the normal way,I found that it makes it easyer to blead,open resouveor cap and top up and put a rag around the resouvor to protect any paintwork then get a bungie tie and slowly pump the brake lever slowly as not to creat lots of air bubbles in the system,then rap the bungie around the lever and handle bar to keep the lever pulled in,then go to the back caliper and put the tube in a glass and fill with brake fluid untill it covers the end of the tube,put the other end on the blead nipple a slowly open the nipple just so you can see the fluid coming out,when it stops flowing tighten the blead nipple and do this again untill all the air is out and you have clean fluid coming through,the do the same to the front,job done.
there is a self bleading tube with a valve on the end so that the air dose not go back in the system,there is also a brake bleading system on the market that is a self bleading system where you have tube that connects to the resouvor with its own lid, and a tube that runs from that to a bottle which you put the brake fluid in,and a tube runs from that to a connector like the one that is on a foot pump,that connects to a wheel wich supplies the presure to push the fluid through the system,so with this system all you have to do is open the blead nipple and lock it again when done.
I hope this was some help.
Ive explaned it becouse not every one knows how to do this,so sorry if im telling you how to suck eggs.

Apr 17, 2015 | Ducati Motorcycles

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I had to pump my brakes all the way to Florida and back to Pa.

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It does nothing!!polaris 2004 400 only1200 on the odometer never worked right fr get go ? the foot brake.

needs bled had the same prob with my500 polaris had the problem.some garages have a device the bleads automatically

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1997 chevy suburban 4x4 1500, pro 6 in suspension lift, 33x12.5x15 tires/wheels. just replaced tires, and has bad wobble upon braking. also tuns hard to right.

you most likely have a worped roter. what is worping that roter is your right brake is working harder then your left. first try to blead your breaks at the back of the calliper see if that fixes it if not try removing your front callipers and cleaning all the dust and old greas out of them then put on a thin coat of hi temp greas and reinstall them remember to alway blead your breaks after taking them apart.

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Good question, on the antilock system is a bleader too and bleade it the same way you bleade the caliper. After all is done adjust the rear brakes, they should have a drag to them.

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1996 chevy blazer 4wd break petal goes all the way to the floor breaks r good new master cylinder blead all braks 10 times any sugesstins? help!!!

I know there is ABS in that vehicle, you might still have air in the ABS unit, you will need to get a manual that shows you the correct procedure to bleed the brakes. Master installed u need to start the bleed on the bench, then move to the ABS unit then to the individual calipers and/or wheel cylinders if equipped. I think there is a certain way to do it to avoid incorrect bleeding.

But i have also seen bad master cylinders brand new in the box.

Good Luck.

Aug 24, 2010 | 1996 Chevrolet Blazer

1 Answer

I need to blead my brakes lanes the car need to

car off but always start to blead furdest away first it passanger rear then driver rear and front passanger and last is front driver side

Jun 12, 2010 | 1991 Buick Century

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Zx9r b1 not much leaver on front brake fitted new seales pads have bled both sides also reverse blead then syphon blead both at same time leaver still soft any poblems with this model ?

hi,this might help,this is a fairly common problem,locate the bolt that holds the brake line onto the master cylinder,pump the lever 3 or 4 times,crack the bolt and bleed the air out of the master cylinder,you may have to do it a couple of times to get all the air out,it takes very little air to create a problem..put a rag or something down so as not to spill fluid onto your paint,brake fluid just loves paint..hope this helps...cheers

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1 Answer

Can I replace a brake hose front and back on 95 escort easily???

Not a good idea, if vehichle has abs then you can't blead it properly and even if it did'nt without bleading system, air in lines can cause brake failure.

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2000 chevy lunima rear brake line blew replaced brake line and bleed but anti-brake lite stays on

Chevys are bare to blead, especially if it has ABS. Chevy dealers actually use TECH 2 / their computer to blead ABS systems properly. With it, they open the ports in ABS module, which helps the brake fluid flow. Unless of course you have ripped the sensor wire for ABS by accident.

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