Question about 2004 Honda CRF 230 F
Jack the bike up so it will be stable with the front wheel off of the bike.
Take the caliper and fender off of the forks.
Remove the wheel and loosen the tripple tree fork tube bolts so you can slip the forks out of them.
Take the fork tube top nuts off of the forks ( there is a spring in them , so be careful not to be in the way when it springs out !
Take the drain screw out of the bottom front of the forks and using the fork tube like a pump... push down and compress the fork tube to pump out the oil in the tube...
Take the bolt that goes up from the bottom of the tube out... This will release the upper portion of the tube enough to remove it from the assembly... you may have to drive the seal up toward the top of the tube by using the upper as a slide hammer... but it will come off.
Thoroughly clean the tube and parts in a pats cleaner or solution... and reassemble in reverse order.
Posted on Sep 30, 2010
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Posted on Jan 02, 2017
SOURCE: 99 CBR 900 Front fork seals
If the seal has been cracked by the cold weather it should be replaced. For someone mechanicly inclined and with the proper tools this is not a hard job. For the novice it can be one of those times you could have sent it to the shop and spent less time and money, and gotten better results....
As to a seal conditioner, the seals today are generally made of synthetic material. No "conditioner" will work. If the seal is made of rubber you have a 90% chance that a product called 'MARVEL MYSTERY OIL' will solve the problem. This prouduct was created in 1917 and marketed in 1923. Google the product name for more hystory and uses today. Basicly, the oil causes rubber to swell. This tightens seals and thus fixes the problem. Most any good auto parts store has this stuff on the shelf. By the way, if the bike was purchased new, wouldn't this be a warranty repair?
Posted on Mar 11, 2009
i would do the same as the other post has said, but i would use the old seal to drive the new seal in with a rubber mallet that way you cant damage the fork.
Posted on Apr 28, 2009
SOURCE: Fork seal replacement
Did you try taking down the fork seal and cleaning out with wd/40 and a piece of 30mm film? You should always try this first. The seals rarely go bad. There's probably just a vary small rock holdeing it open and the film will dislodge it the wd is just to help things along.
Posted on May 08, 2009
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