SOURCE: 2008 HD xl1200c sportster fork lock removal.
grind off the rivet.then lock should pull out, then use a slide hammer to pull out the rest of rivet
SOURCE: remove front forks off harley sportster
jack up bike so front wheel is off the ground remove brake cal. wire it up out of way.then remove front fender.loosen axle nut and remove and remove wheel then loosen pinch bolt on the thriple trees hang on to fork tubes they may slide out
SOURCE: I renewed front sportster forks but when on bike
If you put it all back together right then you got to have to much fork oil in the forks. Take the screw out of both forks and push down on the front end and it will squirt oil out. put the screw back in and see how it rides. If it is still to hard then do it again till you get about 2 1/2 inches of travel in the forks and then your good to go.
SOURCE: 2007 HD Sportster 1200C - front right fork leaking fluid
The headline of your post seems to have it correct, you have a fork seal leaking. To replace the seal, you must remove the fork slider, the lower part of the fork tube to replace the seal and then refill the fork with the proper amount of the proper oil. Here's how you do it on a conventional front fork. This is not for an "inverted fork" where the top part is larger than the bottom.
Remove the front wheel, the caliper if it's on this side or you decide to do both sides. Loosen the pinch bolt on the back side of the lower triple tree. Remove the large nut on the top side of the upper triple tree. Caution: there is a large spring under the nut. Usually, if the bike is completely off the ground, the sping is almost fully extended but it will still have some pressure on it. Remove the spring and work the fork tube out of the triple trees. Turn the thing upside down and pour the oil out of it. Notice in the very bottom of the lower slider where the axle goes through, there is an 8mm hex head bolt. Using a brand new hex key, remove this bolt. A hex key socket on an air wrench helps to remove this bolt. It takes a "piloted key" but you can get it out with a regular one as long as it new and not rounded. Once the bolt is out, pull the top tube out of the lower tube. You'll see the oil seal in the top of the lower slider. Pull the seal out and replace it with a new one. Reassemble the entire assembly and install back into the triple trees. Add the proper amount of the proper weight oil. This is what is commonly called a "dry" fill since you took everything off and wiped it down. Then insert the spring tapered end first and put the large nut back on the top.
Then do the other side if you wish. Only do one side at the time. The remaining tube that is put together helps hold the tube you're working on extended.
Good Luck
Steve
SOURCE: The left front fork of my 1200 Sportster is
That depends on where it's leaking. If it's leaking down at the axle, You can lift the bike off the ground, remove the front wheel. There's a bolt in the very bottom of the tube. Take the bolt out and slide the "slider" off the upper tube. While you have it off, replace the seal at the top of the "slider". This will fix any leak at the top of the slider. Clean the lower slider with clean mineral spirits and allow it to dry. Then, put a little bit of oil on the seal and a dab of clear RTV in the area where the copper washer goes and slide the slider back up on the tube. Put the bolt in and tighten it up. Replace the front wheel. Now, add the appropiate amount of fork oil for a "dry" refill. If you call the dealer, they should tell you how much oil goes in there. My manuals are not up to date for your model. Mine only shows for 1994 and Harley may have changed the fork tubes since then. Remember the higher viscosity of the oil, the stiffer the front suspension. The dealer will also tell you what oil came in the front forks from the factory.
Good Luck
Steve
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