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Roger Warner Posted on Jan 05, 2014
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Honda 250 cb front break calipers fail to retract

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David Belcher

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  • Master 1,978 Answers
  • Posted on Apr 01, 2014
David Belcher
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Joined: Mar 17, 2010
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Remove the reservoir on your brake master cylinder. Using a clean lint free rag soak up the brake fluid and discard. There is a large feeder hole to the piston and an extremely tiny pressure release/fluid return hole. The small hole is plugged. A very fine piece of stiff wire pushed through the hole should unplug it. If you are willing to unbolt and drain the brake hose, a small blast from an air compressor will also clear the hole, If you try this be sure to cover the cycle and surrounding area with plastic. Brake fluid is corrosive. Refill the reservoir and bleed the system. unplugging the return hole in the master cylinder will stop the brakes from locking up while driving.

2 Related Answers

ChrisTopher

  • 3 Answers
  • Posted on Jun 23, 2010

SOURCE: 1991 CB 250 Nighthawk: whats the top speed for a 1991 honda nighthawk 250...

I have had my 2008 Nighthawk 250 up to 70mph with some left over. I just got it so I haven't really run it full throttle yet ( 75 miles on the OD ) I weight 300 lbs. I would guess 80 on a flat road. I felt comfy at 70 but this is my 5th bike. I bought this one for the gas mileage and 1 yr. warranty. I will try actual top speed on the Interstate in about 1000 miles. Hope this helps. I like the bike. Chris

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A Miller

  • 8404 Answers
  • Posted on Sep 12, 2011

SOURCE: I've just bought a 1994 Honda CB 250, private

If your cap is like any of the caps on the assortment of Honda's I have had over the years, it doesnt take a "key" per-ce, It just happens that your key will operate it ... just as will any thing that will fit into the slot. Press down on the cap and turn the key gently. The latch should retract and the cap pop right off. The key will stay in the cap until you put it back on.

If yours is a latch on the side (I doubt it), same is true ... insert the key, press down on the cap turn the key the cap will unlatch

Having said that ... I must also say to you ... that is my experience with Honda caps in my country. I don't know where you are and it is not necessary for you to say where.

Here is a web site you may find interesting, BTW: http://hrca.honda.com/

Good luck with your Nighthawk.

Thank you for your interest in FixYa.com

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1helpful
2answers

Will 2000 honda vfr800 calipers fit ?

Try braided brake lines and sintered pads or a pad with a high % of copper in them. This will make a difference.

Changing callipers is possible not sure if the VFR ones are a bolt on mod - id go the other way first.

Braided lines will cost you about $120 fronts only and the pads will be about 45-55$

Good luck
0helpful
1answer

How do you replace the front breaks on a 1992 ford f250 custom??

take off the wheels one or two at a time,un-pin the middle swivel device that the rim slides over,if there is none then just pull the rim off.Now on the caliper is a retractable pin that is triangle shaped about 3-4 inches long.This pin is what holds the caliper and the pad together!Also dont forget to remove the bolts that hold the calipers in place!Now you should be good,whatever you do,don't remove the brake lines!Good luck,hope this helps!-CB
0helpful
1answer

I've just bought a 1994 Honda CB 250, private

If your cap is like any of the caps on the assortment of Honda's I have had over the years, it doesnt take a "key" per-ce, It just happens that your key will operate it ... just as will any thing that will fit into the slot. Press down on the cap and turn the key gently. The latch should retract and the cap pop right off. The key will stay in the cap until you put it back on.

If yours is a latch on the side (I doubt it), same is true ... insert the key, press down on the cap turn the key the cap will unlatch

Having said that ... I must also say to you ... that is my experience with Honda caps in my country. I don't know where you are and it is not necessary for you to say where.

Here is a web site you may find interesting, BTW: http://hrca.honda.com/

Good luck with your Nighthawk.

Thank you for your interest in FixYa.com
0helpful
1answer

1992 Honda CB 250 Nighthawk no spark

Change the fuse under the seat that is the start fuse do it and see how it's go
0helpful
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How do I get the brake caliper to retract after changing the front brake pads on a 2009 honda civic

There is a caliper expansion tool that you can get at any auto parts store. You should expand the caliper before inserting the new pads. Always expand it until the caliper piston will not go any further. After you get the caliper back on with the new pads, make sure to pump the brake pedal to repressure the caliper. You also should bleed the line afterwards.
4helpful
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How to replace rear breaks on 2005 f350 super duty dually

Rear To Remove:
  1. Remove the brake master cylinder filler cap and remove fluid until the reservoir is half full.
  2. Raise and safely support the vehicle.
  3. Remove the rear wheel and tire assembly. CAUTION
    Never allow the brake caliper to hang from the brake hose.
  4. Remove the two disc brake caliper pin bolts.
  5. Lift the disc brake caliper from the anchor plate and position the caliper out of the way. Do not disconnect the fluid line.
  6. Inspect the disc brake caliper for leaks and replace the caliper if necessary.
  7. Remove the pads and retraction clips.
To Install:
CAUTION
Do not allow grease, oil, brake fluid or other contaminants to contact the pad lining material.
  1. Install retraction clips.
  2. Install the brake pads.
  3. Slowly compress the caliper pistons with a large C-clamp. CAUTION
    Use care not to damage the bleeder screw or front disc brake rotor shield.
  4. Install the disc brake caliper.
  5. Install the disc brake caliper pin bolts. Tighten the pin bolts to 26 ft. lbs. (35 Nm) (F-250, F-350 SRW). Tighten the pin bolts to 56 ft. lbs. (76 Nm) (F-350 DRW). Tighten the pin bolts to 46 ft. lbs. (62 Nm) (F-450 F-550).
  6. Install the wheel and tire assembly.
  7. Lower the vehicle.
  8. Fill the brake master cylinder reservoir with DOT 3 motor vehicle brake fluid.
  9. Inspect for correct brake operation.
2helpful
1answer

1985 gold wing my front break is stuck .... where do i start i have opened the bleeder and still seems to be stuck ....

Corrosion develops inside the caliper and causes the piston(s) to stick and fail to retract when the brake lever is released.
What you will need to do is remove and disassemble the calipers. Use compressed air to remove the pistons from the calipers by applying a carefully controlled amount of air pressure to the port where the brake line was attached (be careful to not let the piston become a projectile). Carefully pry the piston seals from the groove inside the caliper bore and clean everything thoroughly with hot soap and water (SimpleGreen works well). Clean all corrosion and other contaminants from the caliper and pistons, paying close attention to the groove where the piston seal goes. Use a dental instrument or similar tool to scrape all traces of corrosion from the groove (this is the key to success).
Reassemble the calipers with new piston seals and use brake fluid to lubricate the pistons as they go in. Reinstall, top off the master cylinder with fresh brake fluid, and bleed the system. Your brakes will now function like new for the next decade or so.
1helpful
3answers

Im trying to change rear breaks on a 2004 grand prix GT but the calibers wont go back so i can put the new breaks on..

On my bonnevile, a c clamp wouldn't work. Online, it identified the calipers need to be turned back in. On the front side, there should be grooves in the center of the caliper that you can turn to retract. to allow enough space for it to go back on.
0helpful
2answers

DONT KNOW HOW TO REMOVE THE BREAK CALIBER

To remove the caliper, you need a torx head tool (can't remember exact size) to remove the two slide pin bolts.(inside the two small rubber boots at each end of caliper) After getting them loose, remove the brake hose, then remove bolts and caliper. (don't loose the two copper washers...if they aren't in the new caliper box you will need them.) Check and see if the caliper retracts easily after it is removed. If it does, the rubber brake hose may have internally failed and is your problem. If piston is very hard to move, get a new caliper. Replace both side brake pads, not just side you are workingon. (recommend both calipers as well but most times it works fine with one.
When replacing, make sure slides are free in calipers and thread pins by hand so that you don't cross thread them. After it's back together bleed front brakes and before moving car step on brake to re-set pistons.
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