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 wrf forks - oil change 
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TRAIL HACK
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Joined: Fri 26 Mar, 2010 1:50 pm
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Location: Bris Northern Suburbs
Post wrf forks - oil change
hey dr meslow.....or anyone who has replaced the oil in their yami's USD forks. How do I go about just changing the oi/fluid in the forks? After doing my old Dt's forks time and time again (very easy job) I'm sorta keen to do my own forks on the WRF but haven't tackled the USD fork variety before. My seals are in great shape but I've not touched the oil in the forks.....

Anyone maybe got a good linky to a 'show and tell' for this...?


Sat 25 Jun, 2011 10:10 am
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Beerburrum Freak
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Post Re: wrf forks - oil change
yep plenty on here

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Sat 25 Jun, 2011 11:20 am
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TRAIL HACK
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Joined: Fri 26 Mar, 2010 1:50 pm
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Location: Bris Northern Suburbs
Post Re: wrf forks - oil change
thanks 501....been looking and i'm guessing you can crtack open the top cap, invert the fork and drain 'em but on the refill the top cap and spring has to come out? Or can you just drain, refill with some oil, flush / drain them again and then refill with the correct amount of oil (fill by volume instead of referring to oil level from the top of the fork)...?


Sat 25 Jun, 2011 11:52 am
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Pro Dude
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Post Re: wrf forks - oil change
best to take out forks , undo top cap remove spring & rod..

turn upside down pump out old oil..

turn back up pour around 500 ml in each leg.

get urself a syring and add a clear tube , cut tube to 120mm from flat part on syringe , after oil settles a bit add another 100mm or so in each leg, then put flat part syringe on top of fork where c ap goes and suck out untill u got just air.. this method pretty good i suppose, at least u know bot forks got same amount by using syringe with tube cut to length..

sure other guys will tell of other ways.. butr this what i do ..

then add springs and top cap and rod refit to bike , good sunday job !!!

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Sat 25 Jun, 2011 2:12 pm
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TRAIL HACK
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Joined: Fri 26 Mar, 2010 1:50 pm
Posts: 182
Location: Bris Northern Suburbs
Post Re: wrf forks - oil change
thanks hori....awesome. Any good oil / weight combos worth trying or just stick to the diatribe in the bike manual?


Sat 25 Jun, 2011 8:22 pm
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TRAIL YOBBO
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Joined: Thu 16 Jun, 2011 6:24 pm
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Location: Ipswich
Post Re: wrf forks - oil change
I'm a bit of a perfectionist..... I disassemble the forks and clean the tubes well and remove the filth and buildup that occurs around the base valve. It also gives a good opportunity to inspect for cupped shims. Requires seal driver usually, but can be done without.

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Sun 26 Jun, 2011 2:17 am
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Pro Dude
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Location: Chapel Hill The Good Side
Post Re: wrf forks - oil change
cheap seal driver is just piece of 50mm pvc, cut it down centre so u can sqeeze it to correct size, then u can just tap it with hammer to drive seals down.. would be nice to spend the $60 and buy a proper one though eh

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Sun 26 Jun, 2011 8:37 am
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