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quadrabrick
Mad Brick Rider
Joined: 13 Jul 2008
Posts: 88
Location: Quadra Island, Canada
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 Posted: Mon Jun 13, 2011 2:44 pm Post subject: fork oil? |
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I am doing the seals on my '93 K1100LT and installing boots. My question is can I use either regular or synthetic oil in the front forks? Any particular brand recommended?
Thanks, Brent
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
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Location: Bumf***, WA
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| Posted: Mon Jun 13, 2011 4:07 pm Post subject: |
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Yes, you can use dino or synth.
FWIW, I use Honda SS-8 10W.
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93 LT (x2)
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drikko
Flying Brick Rider
Joined: 20 Nov 2009
Posts: 1966
Location: Brisbane, OZ
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| Posted: Mon Jun 13, 2011 4:37 pm Post subject: |
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I haven't noticed any difference in brand, have used whatever is convenient to get on the way home. Always 10W though, agree on that.
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K1100RS '97
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quadrabrick
Mad Brick Rider
Joined: 13 Jul 2008
Posts: 88
Location: Quadra Island, Canada
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| Posted: Mon Jun 13, 2011 4:46 pm Post subject: |
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Thanks guys!
B.
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'93 K1100 LT
'80 Honda CX500 Custom (8000 kil.)
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Flying Duck
PsyKotic Waterfowl
Joined: 27 Jan 2005
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Location: Bumf***, WA
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| Posted: Mon Jun 13, 2011 5:34 pm Post subject: |
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| drikko wrote: | | I haven't noticed any difference in brand, have used whatever is convenient to get on the way home. Always 10W though, agree on that. |
The Honda stuff was recommended to me by a friend I trust and has always worked well for me so I stick with it. From what I've read in "oil threads"  fork oil weights vary by manufacturer so 10W from one company is not necessarily the same as 10W from another company.
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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)
Buy parts HERE |
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BobZ(IL)
Rider in the Sky
Joined: 20 May 2007
Posts: 651
Location: Bourbonnais, IL
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| Posted: Mon Jun 13, 2011 7:16 pm Post subject: |
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I'm pretty satisfied mixing half 5# and half 10# from Spectro.
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OldJerry
Joined: 22 May 2010
Posts: 21
Location: West Michigan
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| Posted: Tue Jun 14, 2011 8:51 pm Post subject: Fork OIL .... |
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Since we are discussing fork oil .... I would like your opinions. I just drained and replaced my fork oil with Mobil-1 (100% synthetic) ATF oil. It rides much better than the 10w fork oil I just drained out. The old fork oil was in the forks only about 6 months; but when I drained it ... it was really dirty looking. I have heard that ATF oil has very good lubrication and cleaning qualities.
The ride is quite firm, but not as harsh as the previous 10w oil ( Maxima or some brand like that .. it wasn't BMW brand)
WHAT DO YOU GUYS THINK?
I know some Honda models actually recommend ATF oil to be used in their forks.
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1997 K1100-LT
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Ted
Site Admin
Joined: 03 Apr 2003
Posts: 1117
Location: Further
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| Posted: Tue Jun 14, 2011 10:43 pm Post subject: |
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I think I would probably go with what Drake says, and if the ride were harsh maybe mix it with a bit of 5wt from the same manufacturer. I used the BMW stuff in my K11, but as I remember it was about three times the price of comparable stuff. Matter of fact I think I still have a liter of the 7.5wt in my fluids box from circa 1998 -- think it is still good? 
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 Ted
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Jeeves
Big Brick Rider
Joined: 25 Apr 2011
Posts: 72
Location: Vancouver Island,B.C. Canada
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| Posted: Wed Jun 15, 2011 5:44 pm Post subject: |
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| Ted wrote: | | I think I would probably go with what Drake says, and if the ride were harsh maybe mix it with a bit of 5wt from the same manufacturer. I used the BMW stuff in my K11, but as I remember it was about three times the price of comparable stuff. Matter of fact I think I still have a liter of the 7.5wt in my fluids box from circa 1998 -- think it is still good? |
that depends on the individuals tastes,,or more like if his or her taste buds still work!!!
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K1100 RS 1993,the fast mystic red one with the burnished gold stuff
K 75 C 1986 black,naked and collector plate
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Al.
Flying Brick Rider
Joined: 28 Oct 2005
Posts: 397
Location: West of Ireland
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| Posted: Mon Jun 27, 2011 6:16 pm Post subject: |
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| I had to renew the seals. It took a lot of washing out to get rid of the 'swarf' at the bottom of the tubes. |
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Phil Marvin
Rider in the Sky
Joined: 03 Apr 2003
Posts: 1389
Location: El Paso, Texas, USA
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| Posted: Mon Jun 27, 2011 10:15 pm Post subject: |
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| Ted wrote: | | I think I would probably go with what Drake says, and if the ride were harsh maybe mix it with a bit of 5wt from the same manufacturer. I used the BMW stuff in my K11, but as I remember it was about three times the price of comparable stuff. Matter of fact I think I still have a liter of the 7.5wt in my fluids box from circa 1998 -- think it is still good? |
Hi, Ted,
I use the BMW 7.5 wt. fork oil. It works for me. I think your 7.5 wt. fork oil from circa 1998 would be fine. I still have a can (metal!) of Castrol 10wt. fork oil which I bought for my Dunstall-Norton back in the early 1970's and never used.
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Phil Marvin in El Paso, TX
'94 K75A/3
'95 K75RTP |
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Number 6
Flying Brick Rider
Joined: 05 Feb 2011
Posts: 481
Location: Paris area, France
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| Posted: Tue Jun 28, 2011 7:16 am Post subject: |
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If the fork is a bit soft with 10W, mix with some 15W.
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