My 87's right front fork oil seal bursted today.. Does someone know how much fork oil I should put?

 

I believe the workshop manual says 14.1 US oz. I hope that helps.

 

if you fill the fork up (minus spring) and measure with a steel ruler, from the top with sleeve extended 148mm (12.2us fl oz) dont forget to gently pump the sleeve to ensure that all the air is out of the bottom and check again. Gently place the spring into the oil and screw the top on. Then6psi is added and then fit the shock back on. Should take no more than 30mins from start to finish. All the best...



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Thanks guys. Oil seals are on the way. In addition, any recommendation for fork oil? Brand name. etc?

 

Go the heavier oil to a 15 weight Castrol I put in mine

 

While I am waiting for the parts, I started disassemble the front forks. And, I found out interesting device on the left fork. Does someone know what it is? This part is connected to the brake caliper.

 

It´s the Anti Dive device. It closes a valve inside the fork making it stiffer when you brake.

 

New one on me. Never gave it that much thought. You learn something new every day.

 

Hey guys I need your idea and advise!!

I replaced front fork seals and put fork oil that was recommended by the motorcycle shop near by. The oil is 10 weight (I thout the HONDA original is 10 weight). Guess what, the brand new seal still leaks. When I replaced my old CB750F's seals, that was so hard to push in to the outer tube, my friend advised me, put the seals in the freezer over night to make the seals shrink. But, when I replaced CBR's,it was so easy to push into the outer tube. Were those wrong parts? Seals are from PartsUnlimited.

 

do you have any scoring on the chrome shaft? if you have then that will cause it to leak. Unfortunately, you may have a slight indentation on the shaft which is caused over time, and is not readily noticable to the nake eye. You will need to use a micrometer to tell. for either possibility, you have some options, 1, to have the shaft rechromed, 2, replace shock, 3, go to a dealer who specialisers in seals and see if they have one that may fit into the sleeve and seal the shaft. Hope this helps. Good luck.


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