Husqvarna FE501S & FE350S

Discussion in 'Thumpers' started by trailrider383, Sep 11, 2014.

  1. OneManWolfPack

    OneManWolfPack Been here awhile

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    Only one fork has an actual assembly in it.
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  2. renogeorge

    renogeorge Let's ride!! Supporter

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    ???
  3. Fast1

    Fast1 Twisted Throttle

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    check out the OEM parts diagram sometime.. you might be surprised what you find.

    I can show you what the MY14-16 forks look like with a picture of mine


    upload_2021-5-27_11-6-35.png
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  4. renogeorge

    renogeorge Let's ride!! Supporter

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    I've had several sets apart for revalves and shortening. Wasn't clear what you meant by "actual assembly". I'm about to tear mine apart for revalve and to add adjustable base valve.
  5. Fast1

    Fast1 Twisted Throttle

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    Have you carefully torqued the triple clamp pinch bolts to proper spec?
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  6. OneManWolfPack

    OneManWolfPack Been here awhile

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    We were discussing the xplor48s which were introduced in 2017. They only have one assembly. Sorry I realize my reply was missing a word which may have caused confusion. They only have one damping assembly.
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  7. Fast1

    Fast1 Twisted Throttle

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    check the OEM parts manual... I think you will find a different answer than you provided.

    I've checked and don't see what you indicate. They may only show a picture of the one item but the number of those required for the forks are 2. Item #23 and 24 are the giveaway.


    2017 Husky FE501 fork

    upload_2021-5-27_11-31-40.png


    upload_2021-5-27_11-34-16.png
    upload_2021-5-27_11-34-53.png

    upload_2021-5-27_11-40-25.png

    You can check the parts manual for the MY18-21 and those will show a picture of each fork and required components.

    .
  8. renogeorge

    renogeorge Let's ride!! Supporter

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    They have only 1 adjustable compression valve in the mid valve position in the left leg with non adjustable compression valves in each leg and in the right side mid valve. All rebound is in the right leg mid valve
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  9. Fast1

    Fast1 Twisted Throttle

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    I see your point but that is completely different than this..


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  10. OneManWolfPack

    OneManWolfPack Been here awhile

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    Only one side has an actual damping assembly. Better? lol . This is why the the OP complaint that each fork (not yours the xplor) Had a different feel when being cycled.

    Here is a better explanation from a suspension shop, they can explain it better than I. Again this has nothing to do with your 4Cs.

    Screenshot 2021-05-27 105307.png
  11. renogeorge

    renogeorge Let's ride!! Supporter

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    Semantics I guess. There is compression dampening in both forks. Rebound dampening only in the right side. I explained earlier which valves are adjustable--only the left side compression in the mid valve position and rebound in the right leg at the mid valve position. So IMO there is plenty of compression dampening potential. But only a small amount is adjustable. Addition adjustability is readily available by changing base valve.
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  12. Fast1

    Fast1 Twisted Throttle

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    Sure it makes sense. You weren't very clear on what you were trying to say and which created a waste of posting space.

    "only one fork has an actual assembly" would be similar to what the Honda 250 rally fork has.

    NOT saying: "forks, each having internal assemblies, that have different damping functionality/capability" would have been correct.


    .
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  13. renogeorge

    renogeorge Let's ride!! Supporter

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    Back to regularly scheduled programming?
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  14. renogeorge

    renogeorge Let's ride!! Supporter

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    And for $1,000 or so they will "fix" it for you. But you will get cool stickers and maybe even a T shirt!
  15. Snake Oiler

    Snake Oiler If the world didn't suck, we would all fall off Supporter

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    This is where I'd start. Use 2.5W oil. Not sure but the head space (air gap) is probably called out to be like 110mm. I'd give it 130, it's easier to add than take out. Should soften her up some.

    I'm guessing you know what the head space does. Air compresses,oil doesn't.
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  16. OneManWolfPack

    OneManWolfPack Been here awhile

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    You definitely need the cool stickers. T shirt would be a bonus!
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  17. Fast1

    Fast1 Twisted Throttle

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    I did that with my MY14 4cs forks when I changed fluid and replaced the seals/bushings.. Motorex 2.5 w oil and max air gap. You can add additional oil thru the bleeder incrementally if required and test the results. Air gap can be reduced if you are bottoming the forks for your ride style/terrain. It is an inexpensive method to improve compression/rebound during fluid service. Lighter weight oil tends to flow quicker thru the shim stacks/valving than thicker viscosity, dependent on the style of fork.

    also,,, https://motocrossactionmag.com/ask-the-mxperts-8/


    Back in 2011 I resolved the forks in my TE630 considerably by installing compression adjusters, going to much lighter weight oil and reduced volume to the point where I could bottom them in the sand whoops. This made slower ADV type travel much more enjoyable.
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  18. Snake Oiler

    Snake Oiler If the world didn't suck, we would all fall off Supporter

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    I opted for the$100 stickers tho:y0!
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  19. Takataka

    Takataka Been here awhile

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    Yes I did torque them but I'll loosen them off and see if it makes any difference.
  20. renogeorge

    renogeorge Let's ride!! Supporter

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    Here’s a link to a chart with actual viscosities for various fork oils. I haven’t had much luck with viscosity changing dampening on modern cartridge forks. I even tried the Red Line “Like Water”. It did work some on older non cartridge forks where dampening was controlled by holes in the damper rods.

    The air spring created by oil height is another deal. Primarily impacts bottoming resistance. It does have the effect of increasing effective total spring rate through the whole stroke. Personally I concentrate on getting the right spring rate so the bike rides at the correct height and has the springs starting to compress at the right point in the stroke. FWIW

    http://peterverdone.com/archive/files/suspension oils.pdf