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Fun with forks

 
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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA

PostPosted: Tue Jun 10, 2008 9:35 pm    Post subject: Fun with forks Reply with quote

Since my donor RS I bought last summer is/was an SE, it's got those nice shiny chromed forks. I plan to disassemble them, clean them out, drop in some new Race Tech springs I have and put new fork seals in them before I install them on the LT.

They have 60k on them. Aside from the springs and seals, anything else worth replacing them while I'm in there?

Would it make sense to move the 30k cartidges over from my LT? Not thrilled about this idea as those are still in nice shape and I don't really want to pull those forks apart unless there's a compelling reason.
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93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
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mnb
Flying Brick Rider


Joined: 20 Jun 2007
Posts: 660
Location: San Jose, CA

PostPosted: Tue Jun 10, 2008 10:04 pm    Post subject: Reply with quote

With all this fork work, if you happen to have a spare stanchion, I need one for my right fork...
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1997 BMW K1100LT ABS Special Edition
2003 Husqvarna TE610e
2007 Harley Davidson Road King
2009 BMW F800GS
2011 Husqvarna TE310
2014 Ducati Multistrada Pikes Peak MNB Edition
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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA

PostPosted: Tue Jun 10, 2008 10:45 pm    Post subject: Reply with quote

mnb wrote:
With all this fork work, if you happen to have a spare stanchion, I need one for my right fork...


Do you think you're in Europe or sumpin' with all that fancy vocab? Razz Over here call 'em fork tubes or uppers.

FYI: All of the forks I have are in decent shape so my tendency is to selll them in pairs and not part them out. Too much work to get those stupid circlips out too. I dread that task. Evil or Very Mad
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE
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Jim
Site Admin


Joined: 17 May 2003
Posts: 3841
Location: WHERETHEFUNNEVERENDS

PostPosted: Wed Jun 11, 2008 12:49 am    Post subject: forks Reply with quote

take a look at the bushings - just replaced them on my bike with just under 50,000 miles on it. Bushings might have lasted awhile longer - figured while everything was apart it was worth replacing them.
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Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000

"We shall not all die, but we shall all be changed."
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mnb
Flying Brick Rider


Joined: 20 Jun 2007
Posts: 660
Location: San Jose, CA

PostPosted: Wed Jun 11, 2008 2:41 am    Post subject: Reply with quote

Flying Duck wrote:
mnb wrote:
With all this fork work, if you happen to have a spare stanchion, I need one for my right fork...


Do you think you're in Europe or sumpin' with all that fancy vocab? Razz Over here call 'em fork tubes or uppers.

FYI: All of the forks I have are in decent shape so my tendency is to selll them in pairs and not part them out. Too much work to get those stupid circlips out too. I dread that task. Evil or Very Mad


I called em that cuz that's what they're called in the parts fiche...

Well, a new fork tube is $300. And I can probably buy a pair of used forks for that, perhaps even less, so....
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M N B
1997 BMW K1100LT ABS Special Edition
2003 Husqvarna TE610e
2007 Harley Davidson Road King
2009 BMW F800GS
2011 Husqvarna TE310
2014 Ducati Multistrada Pikes Peak MNB Edition
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Adrian
Mad Brick Rider


Joined: 17 Aug 2007
Posts: 98
Location: Weston super Mare, Somerset, UK

PostPosted: Wed Jun 11, 2008 12:47 pm    Post subject: Reply with quote

Not really the fork, but the plate which holds the forks together where the brake pipes split could probably do with pulling apart and cleaning/repainting.

Also...When I did my forks recently I could not get the front wheel spindle back in on both sides. Lots of head scratching later I realised that you have to do bolts on the plate (mention above) loosely first, make sure you can get the spindle to fit OK, then bolt up good and tight, well 2nd F torque, as in:

1st F - finger tight
2nd F - fairly tight
3rd F - f***ing tight

Very Happy

Have fun

Adrian
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K1100LT SE
145,000 miles and counting Smile

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Flying Duck
PsyKotic Waterfowl


Joined: 27 Jan 2005
Posts: 10102
Location: Bumf***, WA

PostPosted: Wed Jun 11, 2008 1:32 pm    Post subject: Reply with quote

Adrian wrote:
Not really the fork, but the plate which holds the forks together where the brake pipes split could probably do with pulling apart and cleaning/repainting.

Also...When I did my forks recently I could not get the front wheel spindle back in on both sides. Lots of head scratching later I realised that you have to do bolts on the plate (mention above) loosely first, make sure you can get the spindle to fit OK, then bolt up good and tight, well 2nd F torque, as in:

1st F - finger tight
2nd F - fairly tight
3rd F - f***ing tight

Very Happy

Have fun

Adrian


Even if you could get the axle thourhg with the fork bridge installed first, I don't think you'd want to. I think you want the axle inplace before you put the fork brdge on to ensure proper alignment. (This only applies if you've lossened the frok brdige - not when you're just putting the wheel on and have not messed with the fork bridge.
_________________
93 LT (x2)
94 RS
86-97 K75F(K75/100/1100 Frankenbrick)
86 K75C w/paralever, hi perf cams,TURBO!
91 & 92 K75Ss
91 K1
86 custom K100
14 WR250R
IBA #17739 (SS1K, BBG, 50CC)
Buy parts HERE
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Shoganai
Biscuit Fluffer


Joined: 27 Apr 2005
Posts: 2234
Location: Culpeper,VA

PostPosted: Sun Jun 15, 2008 3:10 am    Post subject: Re: forks Reply with quote

Jim wrote:
take a look at the bushings - just replaced them on my bike with just under 50,000 miles on it. Bushings might have lasted awhile longer - figured while everything was apart it was worth replacing them.

+1 on the bushings Wink
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1993 K1100RS aka The Shop Whore
1994 K1100RS aka Blue Streak

The long road is a rainbow and the pot of gold lies there.
So slip the chain and I'm off again,
You'll find me everywhere. I'm a Rover. - JT


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Jim
Site Admin


Joined: 17 May 2003
Posts: 3841
Location: WHERETHEFUNNEVERENDS

PostPosted: Sun Jun 15, 2008 7:33 am    Post subject: fun with forks Reply with quote

Drake - check the diameter of the Race Techs - if they're 29mm you'll need to get the flanges on the pistons turned down. The stock springs are 30mm.
_________________
Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000

"We shall not all die, but we shall all be changed."
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