1 K100RS front fork stuck replacing oil seal Sat Aug 13, 2011 7:00 pm
fb35523
New member
Hi all!
I needed to replace the right front fork oil seal on my 1990 K100RS, so I went ahead and removed the entire leg. After removing the spring, the dust seal and the clip and loosening the allen bolt in the bottom of the leg, I supposed I could just pull the stanchion and the lower leg apart with some force and the seal would follow. No luck. I have REALLY used force, and I just can't imagine that the seal could resist that much force. It hasn't even moved a tiny bit! Looking at videos on the 'net and from previous experience (CB900 and others) I'd say that something else must be stuck somewhere. I can see the internals of the shock (the absorber?) moving if i turn the leg upside down, and it is completely free since the allen bolt is removed. I can even see right through the leg if I look from the top.
Also, after removing the spring, I slid the stanchion up and down to bleed the last fork oil out, and to my surprise, it seemed to get stuck more and more at one point. After that, I somehow got the stanchion free again, but as I mentioned I cannot get it fully back in again. There are some pictures on my web server showing the fork leg, but I cannot post the URL here since I'm a newbie on the forum. The address, however, is du.skulle.se/K100RS/ . The first one (IMGP5519) shows the fork compressed as much as possible, the following two show the stanchion as far out as it goes.
Any thoughts on how to get the seal out (and the stanchion!)? Even more force, or will I ruin the internals of the fork leg?
Any help is greatly appreciated!
/Fredrik
I needed to replace the right front fork oil seal on my 1990 K100RS, so I went ahead and removed the entire leg. After removing the spring, the dust seal and the clip and loosening the allen bolt in the bottom of the leg, I supposed I could just pull the stanchion and the lower leg apart with some force and the seal would follow. No luck. I have REALLY used force, and I just can't imagine that the seal could resist that much force. It hasn't even moved a tiny bit! Looking at videos on the 'net and from previous experience (CB900 and others) I'd say that something else must be stuck somewhere. I can see the internals of the shock (the absorber?) moving if i turn the leg upside down, and it is completely free since the allen bolt is removed. I can even see right through the leg if I look from the top.
Also, after removing the spring, I slid the stanchion up and down to bleed the last fork oil out, and to my surprise, it seemed to get stuck more and more at one point. After that, I somehow got the stanchion free again, but as I mentioned I cannot get it fully back in again. There are some pictures on my web server showing the fork leg, but I cannot post the URL here since I'm a newbie on the forum. The address, however, is du.skulle.se/K100RS/ . The first one (IMGP5519) shows the fork compressed as much as possible, the following two show the stanchion as far out as it goes.
Any thoughts on how to get the seal out (and the stanchion!)? Even more force, or will I ruin the internals of the fork leg?
Any help is greatly appreciated!
/Fredrik