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see http://onmyhonor.com/wing/fork.htm
610ml
Check your fork oil, if it's low or leaking it's probably your seals. If the oil and seals check fine, then the fork shock springs are shot.
How much fluid in the front forks of a 1985 atc 250r take. I am changing the fork seals
Just till you crash..... Good idea to get it fixed now.
This IS NOT a job for someone who has to ask! Seriously. If you do not know how, then for your own safety and sanity; let an experienced mechanic do this task. It is complicated and of the highest safety issue.
Remove wheel, fender. Remove Allen bolt at bottom of fork with impact wrench, it usually will not come loose, if you are trying it by hand unless you stick the special tool down into the top of fork tubes. (I use a broom handle), remove dust seals on fork legs, remove circlip, carefully remove oil seals, replace them, and reverse procedure for reassembly, add oil to fork tubes. Bubba
To replace fork seals on a 1968 Triumph 650, you need to remove the front tire so that you can access the forks. The next step is to loosen the clamping bolts where the forks connect to the frame. Use the right amount of fork oil required in the owner's manual. Replace and tighten the forks.
Unfortunately, Honda parts usually require special tools. You will need a fork seal driver, which is pretty standard. But you will also need a special driver to remove the bolt at the bottom of the forks. This tool can be made, but it may be better to order the part. Visit a Honda forum for specifics, since every bike is different. Changing fork seals is generally the same. Make sure to use a proper fork seal driver, since slight nicks to new seals can cause the seals to break. In a nutshell: Remove the dust cover, then the clip that holds the seals in place. Pull the forks apart being careful that the spring doesn't force the top fork out too quickly. Drain the oil. The parts of the forks are held together with bolts at the bottom of the forks. That's what the special tool is for. Clean out the forks and return the parts. Pour clean fork oil, drive the seals in place. Replace the clip and dust covers. The amount of fork oil is important. Check the service manual or a Honda forum.
Great video showing how.
You need special tools for this job. They are fork seal drivers and lower fork bolt extension handle. You can potentially make these or borrow if you don't have them but a word of warning, don't attempt to do this unless you have all the right tools. Remove the front wheel, then remove forks from the bike frame. They are held in place by clamps. The bike has to be suspended by a rope or similar. Equally, jack the bike off the floor but be careful it does not fall. Release fork oil by removing the drainage bolts on the lower end of each front fork. Remove the top lug nuts from each fork. Be careful because the spring will push the bolts and washers out by considerable force. Remove everything from each fork by inverting them, drop the contents on a clean surface, waxed paper or similar. You need a long extension such as a shaft to get to the nut at the bottom of each fork to loosen and remove the nut that holds the tube assembly together. Seal drivers are needed to remove the fork seals. Put new fork seals in place, then reassemble, finally pouring about 5 ounces of fork oil or brake fluid into each fork. Then use compressed air to put the proper air pressure in the shocks by way of the air vents. Pressure should be 10-12 psi.
The fork of the bike is where the front tire is placed.