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Old 02-11-2012, 04:12 AM   #16
darklight79
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Joined: Jun 2010
Location: Eureka ,Calif
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when you remove the bolt fork bolt to drain oil ... or use drain port . be carefull not to compress the whole system .. its not a big deal but an extra step in putting it all back together .. the internals move upwards ... my lesson learned .. If your doing only a oil remove and replace ..... oh,,, and somebody remind me again ........... I sitting on the bike which sides the compression side ???
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Old 02-11-2012, 09:14 AM   #17
bereahorn
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Old 02-11-2012, 04:36 PM   #18
JPSpen OP
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Quote:
Please read the Old's Cool rule before posting.

Thank you,

Kbasa
Who just had to move your thread.
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Yeah, Sorry, I thought I was already in Airheads when I posted...

Hope it wasn't too much trouble..

John
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Old 02-12-2012, 10:39 AM   #19
camgregus
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ummm yeah, which side is it again?
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Old 02-12-2012, 04:58 PM   #20
ontic
 
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Location: LaoPDR/Australia.
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Right is Rebound, unless the internals have been swapped.
http://www.largiader.com/tech/gsforks/
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Old 04-02-2013, 11:50 AM   #21
johnalex
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Joined: Aug 2005
Location: Los Angeles
Oddometer: 50
Quote:
Originally Posted by gsd4me View Post
I have just emailed my friend (and mechanic) who is an absolute wiz on airheads. He services and rebuilds only BMW`s and loves the air cooled twins. He made a turbo charged fuel injected R90 S many years ago which is bullet proof and currently is finishing a monoshock R65 w/- 1070cc kit, fuel injection K front end and countless other little touches. His next special is for me, an R100Gs based bike and he wants to build up an extended length twin shock swingarm. He knows what he is talking about.

This is what he recommends you do to refresh the front end.

Drain the fork oil by removing the big bolt at the bottom of the forks as well as the drain plug.

Refill with 10wt of fork oil at 470 millilitres per side.

Do one side at a time.

He finds that this is the best for general riding, but if you are doing lots of very rough stuff, fill with a 50/50 mix of 5 wt and 10 wt oil. That`s it. He`s also been happy using standard springs.

I`m guessing you should replace any renewable rubber bits inside the forks while you`re at it.
I have used ATF synthetic at times. It is 7.5 wt.

HTH,
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Old 04-02-2013, 11:57 AM   #22
johnalex
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Quote:
Originally Posted by camgregus View Post
ummm yeah, which side is it again?
According to our resident expert
http://www.rapiddog.net/BLOG/FORK%20IT.htm
Compression is the right side.
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