drain screw lower

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May 14, 2012 | 11:51 AM

mrfuji

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Joined: Oct 2010

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From: quebec canada

drain screw lower

hi. i want to change my oil drain screw on lower leg with hex screw what size i need,, do have to put that copper washer.been looking for hour. only size i found 5´16 18 i know i read this on forum before thank mr fuji

May 14, 2012 | 12:03 PM

qtrracer

Ultimate HDF Member

Joined: Jan 2008

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From: SoCal

Yes the copper washer needs to be used. You cannot use a hex head if the round head sits below the surface of the fork leg and the hex head won't sit below the surface. I highly doubt it is 5/16" , I would bet it's metric .

May 14, 2012 | 12:41 PM

Todd7446

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Joined: Oct 2011

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From: Dayton, Ohio

I just bought the chrome drain screw kit from my dealer. Two button head cap screws (chromed) and copper washers. Something like $6.99. Not a bad deal.

May 14, 2012 | 01:54 PM

mrfuji

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From: quebec canada

drain screw lower

thank . i am looking for hex screw for 1 flush fit with lower. thank mrfuji

May 14, 2012 | 02:24 PM

soos

Grand HDF Member

Joined: Sep 2005

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From: MA

It is a metric thread, but I can't remember the size off hand. The copper washer is a crush washer specifically designed to be used under the head of a cap screw to create a seal. Eliminating this type screw and copper washer for a flush set screw is counter productive. Your forks won't be sealed. If the MoCo wanted a flush type set screw they would have used a tapered plug. Why ***** with it?