How are fork dust seals measured?
Oil seals are measured using the following format: Internal Diameter x Outside Diameter x Height, in mm. For example, a motorcycle fork with a 43mm stanchion may use a 43 x 54 x 11 oil seal. The corresponding dust seal will be 43 x 54.
Are fork seals universal?
The Race Tech and the Tusk fork seals are exactly the same. They are made by the same manufacturer and are identical. I know, as I bought both brands at the same time. The Tusk are packaged differently which means you don’t get the Race Tech sticker.
How do you replace fork oil seal?
How do I change the fork seals on my motorcycle?
- Step 1: Wind off the spring preload and screw down the rebound adjuster.
- Step 2: Loosen the top caps.
- Step 3: Remove the forks.
- Step 4: Remove the bottom bolt.
- Step 5: Drain the old oil.
- Step 6: Remove the dust seal.
- Step 7: Remove the snap ring.
How do I know what fork seals I need?
Once both the forks are clean, take your bike out for a quick spin. If you notice oil or grime around the forks at the end of your ride, there’s a good chance that the fork seals need to be replaced. To prevent any further damage, you should get the seals replaced.
Can I change fork seals without removing forks?
Yes. Pull the bolt out that secures the cartridge to the lower fork leg and the forks will come apart. Put a seal in with a split type fork seal driver. Then you pull the cap and separate from cartridge to pull the spring to set the fork oil level.
How long should fork seals last?
Fork seals should be replaced after 40 hours of riding or two years if you don’t ride very often. Even if you regularly clean the seals, they wear out eventually and leak no matter what you do to keep a tight seal.
What should I do if my Yamaha Fork seal is leaking?
Look for any abnormal wear on the bushing. Yamaha fork seals don’t really need a reason to leak, but inspect the fork tube for nicks anyways. If you see or feel a bur on the fork tube, sand it gently with a fine emery cloth or 600-grit sand paper. Don’t overdo it.
How do you remove oil from a Yamaha front fork?
Some forks, like those on a lot of Yamahas, require you to push in on the plug in top of the fork tube and against the spring pressure. Pry the circlip out. Now the spring pressure will push the retainer plug out of the fork tube, so be careful. You can now remove the fork spring and, if you have not already done so, the oil.
How do you replace a fork seal on a dirt bike?
Hold the fork upside down while you do this so that no oil escapes. This is the difference between doing a quick seal replacement versus a full rebuild. You won’t replace the oil. Set the upper fork tube aside in a safe place where it can’t tip over and spill. Now, remove the bushing and seal from the lower tube.
Can a Yamaha XT250 front fork be upgraded?
Yamaha XT250 complete front fork upgrade. Upgrading the suspension of your XT250 provides a tremendous enhancement to the function and performance of your of your bikes long travel.