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Re:Fork oil drain plugs?
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TOPIC: Re:Fork oil drain plugs?
#506358
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Fork oil drain plugs? 11 Months ago  
I used to have a Honda Trail 90 that had real small drain plugs in the bottom side of the forks. It was a total piece of cake to drain, flush and refill the forks. I wonder if drain plugs could be drilled, tapped, and installed somewhere in the bottom sides of our Roadie forks. This would sure make fork oil changes easy. Has anyone dared try this? All bikes should be designed after the ol' Honda 90, IMHO. This thread made me think of it. http://roadstarclinic.com/component/option,com_fireboard/Itemid,187/func,view/id,506274/catid,58/limit,10/limitstart,0/
 
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Last Edit: 2012/06/20 11:39 By Boatmark.
 
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Re:Fork oil drain plugs? 11 Months ago  
I think they already have them?
 
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Re:Fork oil drain plugs? 11 Months ago  
PhatRJ wrote:
I think they already have them? Must be invisible...
 
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Re:Fork oil drain plugs? 11 Months ago  
Boatmark wrote:
PhatRJ wrote:
I think they already have them? Must be invisible...


They're up inside the fork past the axle shaft. It could be that I'm dreaming this too, but I swear some people talked about draining their forks through these holes. I picked mine up (the forks, not the bike) and turned upside down to drain because it was easier.
 
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Re:Fork oil drain plugs? 11 Months ago  
Yup changed mine that way,pulled axle and wheel and has allen plugs above axle,they also hold fork tubes together so be ready for fork to slide down,work slick for me just drained and added to top after flushing them out
 
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Re:Fork oil drain plugs? 11 Months ago  
brown91redcam wrote:
Yup changed mine that way,pulled axle and wheel and has allen plugs above axle,they also hold fork tubes together so be ready for fork to slide down,work slick for me just drained and added to top after flushing them out Really! Is there a link somewhere on how to do this? Curious minds need to know....
 
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Re:Fork oil drain plugs? 11 Months ago  
To the best of my recollection the forks have to be drained from the top to get the best job done. They have to be cleaned with tranny fluid (?) and pumped to clean the seals. Plus if the seals are bad you'll be able to access it better.

GP
 
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Re:Fork oil drain plugs? 11 Months ago  
I'll be removing mine. Oil height measurements should be taken with the tube vertical. Not that it makes a huge difference, but it's more consistient. Measuring volume of oil added is probably only slightly less accurate than "eyeballing it".

I like a good easy button, but I love me some well tuned forks.
 
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Re:Fork oil drain plugs? 11 Months ago  
I'm pretty sure I read that the reason you shouldn't use the plugs at the bottom of the tubes is that they are screwed in to a tube inside the forks and that tube can come loose and rotate and then you have a mess trying to get the plug screwed back in. Might want to do more checking but the tech article states draing from the top for a reason......
 
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Re:Fork oil drain plugs? 11 Months ago  
The Oil lock and damper rod are held in place by the bolt. If the damper rod spins, you can use a broom handle to hold it tight enough to zip it back on with a pneumatic impact wrench, which is also the best way to get it out.
It would be difficult, although not impossible, to get the parts out of line, but as stated before, I'll pull 'em, even on my bikes that had drain screws.
 
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