fork spring retainer rusted on solid

[skikman]

hi again folks.im trying to change the fork oil on the old yamaha sr250.at the top of the stanchion the spring is held in with a retainer[like a bung with a lip].held in place with a spring wire[circlip like]that goes into a grove.you are ment to push down on the retainer,release the circlip and the retainer and spring should pop out.when i took off the rubber cap it was all rusty in there.i cleaned and scraped what i could.couln'nt push the retainer so tapped it down a wee bit with hammer and socket.got the clip out but the retainer wont budge.scraped around with wee knife and soaked in wd40 over night twice once compressed under bench.i have scraped and beat it with a dead blow hammer,jumped up and down on it like fuckin zebedee possesses but it wont budge.anyone any ideas?:cursing:

[Bezzer]

WD40 is no good, try some PlusGas or diesel on it for a day or so then a bit of heat to make it expand a touch and hopefully break the seal.
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[skikman]

[dodgydog]

Jeez that looks well manky, You need to clean it up the best you can, and as suggested, use Plusgas to soak it.
Heat the outside, i.e. the stanchion, to expand it some.
Good luck.



Dog
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[jjdugen]

Take the forks apart as normal. Undo the retaining bolt at the bottom of the fork and pull the two halves apart (lower and slider). With the forks still under compression this will be a lot easier.
With the spring still in you will need to compress the legs and then relase to shift the seal / bush. If it will part, and I appreciate it will be hard, then its just a tube and a long drift will shift the fork cap.
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[Ichy]

Just be aware that the fork spring is under that cap. If it does become loose it may well launch itself into whatever is in front of it. Just make sure its not your face.

Stand it up as straight as possible. Fill to the top with diesel. put an old towel or similar over the top and secure the towel around the fork tube, maybe with a jubilee clip. Just leave it for a couple of days.
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[skikman]

[MickC]

[Ichy]

[skikman]