Fork seals - Page 2 - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #11 of 17 (permalink) Old 09-05-2020, 08:50 AM
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I did have issues storing a bike for months while suspension was compressed (tie downs). The oil level is always above the seals.
One can try the SealMate trick, all you can do is try it and see if the leak stops.
But, I'd tend to just replace them, new bushings, install a fork spring upgrade and fresh oil.
Gen1 fork rebuild is fairly simple.

Ray
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2014 FJR1300A - Root Beer (sold)
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post #12 of 17 (permalink) Old 09-05-2020, 08:13 PM
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Has anyone crossed the FJR fork and dust seal to an SKF?

In recent years SKF has become the Cat's Meow, the premium fork seal among dirtbikes. Fork seals are generic enough that with ID, OD, and thickness would should be able to find a good substitute. One website says they have SKF for FJR but is sneaky enough not to share the P/N.

2018 F-150 XLT SuperCab 4x4 2.7L
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post #13 of 17 (permalink) Old 09-05-2020, 11:46 PM
red
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Fork seals

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Originally Posted by N4HHE View Post
Has anyone crossed the FJR fork and dust seal to an SKF? In recent years SKF has become the Cat's Meow, the premium fork seal among dirtbikes. Fork seals are generic enough that with ID, OD, and thickness would should be able to find a good substitute. One website says they have SKF for FJR but is sneaky enough not to share the P/N.
N4HHE,

Well, if somebody buys the "unknown P/N" SKF fork seals from that website, the SKF P/N may be on the packaging, the invoice, or on the part itself.

If I had the website URL for those SKF fork seals, I might do that.

Anybody willing to take the plunge for a new set of SKF fork seals? For the good of the FJR community, of course.
.

Cheers,
Red
2008 FJR1300A
- Pirelli Angel GT (Spec A) tires, RDL seat, TPMS, GPS digital speedometer (Amazon ~US$28.00).
P.S. Life is too short, and health is too valuable, to ride on cheap parade-duty tires.
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post #14 of 17 (permalink) Old 09-06-2020, 08:11 AM
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Quote:
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If I had the website URL for those SKF fork seals, I might do that.
https://www.motosport.com/skf-fork-s...mmy_source=pdp

Edit: Looking harder I find a Part Number fold at the bottom of the page saying "KIT43K". Is my understanding that is for 43mm Kayaba. FJR uses 48mm fork, manufacturer changed in 2016 but design did not. Or maybe only the shock manufacture changed in 2016?

Edit 2: This site lists seal dimensions. Nothing matches the size Traxxion says we use: http://www.jwtimports.com.au/downloa...e-SKF-ONLY.pdf

Traxxion says our fork seals are 48x61x11: https://traxxion.com/product/oem-fork-seals-48x61x11/

2018 F-150 XLT SuperCab 4x4 2.7L
2016 FJR1300A
2016 Beta 430 RS
2016 Subaru Outback
2013 Tesla Model S 85
2009 Husaberg FE450
1983 Porsche 928S

Last edited by N4HHE; 09-06-2020 at 08:32 AM.
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post #15 of 17 (permalink) Old 09-06-2020, 09:35 AM
red
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Fork seals

Quote:
Originally Posted by N4HHE View Post
https://www.motosport.com/skf-fork-s...mmy_source=pdp
Edit: Looking harder I find a Part Number fold at the bottom of the page saying "KIT43K". Is my understanding that is for 43mm Kayaba. FJR uses 48mm fork, manufacturer changed in 2016 but design did not. Or maybe only the shock manufacture changed in 2016?

Edit 2: This site lists seal dimensions. Nothing matches the size Traxxion says we use: http://www.jwtimports.com.au/downloa...e-SKF-ONLY.pdf

Traxxion says our fork seals are 48x61x11: https://traxxion.com/product/oem-fork-seals-48x61x11/
N4HHE,

Thanks for that.

Wow, at ~US$75 per pair there, before shipping, maybe I will wait until I need them (I just had mine replaced last year). Any volunteers?

Yamaha fork seals are ~US$18 per pair.
.

Cheers,
Red
2008 FJR1300A
- Pirelli Angel GT (Spec A) tires, RDL seat, TPMS, GPS digital speedometer (Amazon ~US$28.00).
P.S. Life is too short, and health is too valuable, to ride on cheap parade-duty tires.
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post #16 of 17 (permalink) Old 09-06-2020, 09:50 AM
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Quote:
Originally Posted by red View Post
N4HHE,

Thanks for that.

Wow, at ~US$75 per pair there, before shipping, maybe I will wait until I need them (I just had mine replaced last year). Any volunteers?

Yamaha fork seals are ~US$18 per pair.
.
The SKF price is for seal and wiper.

But yes, about twice as expensive.

2018 F-150 XLT SuperCab 4x4 2.7L
2016 FJR1300A
2016 Beta 430 RS
2016 Subaru Outback
2013 Tesla Model S 85
2009 Husaberg FE450
1983 Porsche 928S
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post #17 of 17 (permalink) Old 09-06-2020, 10:01 AM
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SKF's are very soft (silicone-like) and reputedly keep dirt out better than OEM type seals. One has to question spending the bucks for the best, considering OEM seals are good and should last you a good long time.
Generally speaking, FJR - A forks will start to show bushing wear around 30k miles and it is time to think about a rebuild anyway, including new seals.
Keep your fork tubes clean of bug guts and dirt, and minimal dirt will accumulate in the seal area.

Ray
Keep yer stick on the ice....
2014 FJR1300A - Root Beer (sold)
2009 CBF1000A - Sienna Red
1999 VFR800Fi - Pearl Shining Yellow
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