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More Marrathon S

Started by Per Elmsäter · · Last activity · 9 posts · 814 views

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Mountain Bikes
Published
5 February 2004
Last activity
11 February 2004
Original author
Per Elmsäter
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  1. Thanks Carla for the great link you had of how to work on the Marathon S. When I read through it I
    realized I had completely misunderstood Marzocchi on how to finetune my Marathon S. Or they weren't
    very good at explaining. Take your pick😉

    When I got to the rebound adjustment I still was a little confused though as it seems that the
    little screw for the rebound and the knob for the preload turn together. This is all on the right
    hand side. Setting preload on the left side was a piece of cake.

    Check out this picture for a right side view of Preload and Rebound adjustment knobs.
    myweb.cableone.netMarz reboundadj arrow.jpg When I turn the rebound
    "silver slot", the preload knob "black knob", moves with it and vice versa. I thought they should be
    set independently of each other but I am a little nervous about holding on to the black knob with a
    wrench and applying force on the screw in the middle. So as it is right now it feels like I can only
    set the preload on the right side.

    Is there anybody can explain how this is supposed to be. BTW I don't even have the plastic black
    knob anymore. It looks like it has been knocked off. You can see where the small allen bolt made a
    nudge mark in it. It is still easy to turn with a 7 mm wrench. Except that the screw moves with it.

    Hope somebody could follow this.

    --
    Perre

    You have to be smarter than a robot to reply.

  2. "Per Elmsäter" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Thanks Carla for the great link you had of how to work on the Marathon S. When I read through it I
    realized I had completely misunderstood Marzocchi on how to finetune my Marathon S. Or they
    weren't very good at explaining. Take your pick😉

    When I got to the rebound adjustment I still was a little confused though


    as

    Quoted message said:

    it seems that the little screw for the rebound and the knob for the


    preload

    Quoted message said:

    turn together. This is all on the right hand side. Setting preload on the left side was a piece
    of cake.

    Check out this picture for a right side view of Preload and Rebound adjustment knobs.
    myweb.cableone.netMarz reboundadj arrow.jpg When I turn the rebound
    "silver slot", the preload knob "black knob",


    moves

    Quoted message said:

    with it and vice versa. I thought they should be set independently of each other but I am a little
    nervous about holding on to the black knob with a wrench and applying force on the screw in the
    middle. So as it is right


    now

    Quoted message said:

    it feels like I can only set the preload on the right side.

    Is there anybody can explain how this is supposed to be. BTW I don't even have the plastic black
    knob anymore. It looks like it has been knocked


    off.

    Quoted message said:

    You can see where the small allen bolt made a nudge mark in it. It is


    still

    Quoted message said:

    easy to turn with a 7 mm wrench. Except that the screw moves with it.

    Hope somebody could follow this.

    Read through this, it might explain that inner adjuster screw a little better, basically, the
    black preload knob is all you really need, so no need to worry about the adjuster screw. My Z2
    works the same way:

    marzocchi.comMTB 00stndrd 900680.pdf

    - CA-G

    Can-Am Girls Kick Ass!

  3. Carla A-G said:

    "Per Elmsäter" <[email hidden]> wrote in message

    Quoted message said:

    Snip confusing explanation. Hope somebody could follow this.

    Read through this, it might explain that inner adjuster screw a little better, basically, the
    black preload knob is all you really need, so no need to worry about the adjuster screw. My Z2
    works the same way:

    marzocchi.comMTB 00stndrd 900680.pdf

    No it didn't really explain anything just made me feel even more stupid. The only thing I could
    relate to was the following text QUOTE "The adjuster screw (ref. 6) located on top of the slider
    controls REBOUND damping. When turning inside the cartidge rod, this adjuster will change the
    configuration of the inner valves. Some models feature a rebound adjuster on the RH fork leg only.
    To adjust, always start from the minimum damping setting, i.e. with the screw fully turned
    clockwise."

    They describe as "when turning inside cartridge rod, this adjuster will change..." It seems to me
    when I turn this adjuster screw also the cartridge rod is turning with it. Therefore I don't seem to
    be able to change my rebound damping at all. The ETA adjuster on the left side does turn inside the
    black knob and does change the lockout from none to pretty much all locked out.

    --
    Perre

    You have to be smarter than a robot to reply.

  4. "Per Elmsäter" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Thanks Carla for the great link you had of how to work on the Marathon S. When I read through it I
    realized I had completely misunderstood Marzocchi on how to finetune my Marathon S. Or they
    weren't very good at explaining. Take your pick😉

    When I got to the rebound adjustment I still was a little confused though


    as

    Quoted message said:

    it seems that the little screw for the rebound and the knob for the


    preload

    Quoted message said:

    turn together. This is all on the right hand side. Setting preload on the left side was a piece
    of cake.

    Check out this picture for a right side view of Preload and Rebound adjustment knobs.
    myweb.cableone.netMarz reboundadj arrow.jpg When I turn the rebound
    "silver slot", the preload knob "black knob",


    moves

    Quoted message said:

    with it and vice versa. I thought they should be set independently of each other but I am a little
    nervous about holding on to the black knob with a wrench and applying force on the screw in the
    middle. So as it is right


    now

    Quoted message said:

    it feels like I can only set the preload on the right side.

    Is there anybody can explain how this is supposed to be. BTW I don't even have the plastic black
    knob anymore. It looks like it has been knocked


    off.

    Quoted message said:

    You can see where the small allen bolt made a nudge mark in it. It is


    still

    Quoted message said:

    easy to turn with a 7 mm wrench. Except that the screw moves with it.

    Hope somebody could follow this.

    --
    Perre

    You have to be smarter than a robot to reply.

    Per Elmsäter,

    After studying the picture it looks to me as if the rebound screw can be adjusted independant of the
    preload. Try holding the preload knob and gently turning the rebound set screw to see if it will
    move. If so, go ahead and set your preload and then adjust the rebound to your liking. The rebound
    must be a separate internal function of the cartridge. On the other (left) leg does the ETA
    adjustment move when you change the preload ?

    Keep in mind that I'm not a bike mechanic. Just trying to help ;-)

    As you said "Hope you can follow this"

    Also I would think that Marzocchi would replace that plastic knob if you contact them. Possibly with
    the aluminum knob that comes on the 2004 Marathon S as it appears to be a weak point.

    --
    ^^^^^^^^^^^^^^^^^^^^^^^^ MBrundage@ease

    ^^^^^^^^^^^^^^^^^^^^^^^^

  5. MBrundage said:

    "Per Elmsäter" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Thanks Carla for the great link you had of how to work on the Marathon S. When I read through it
    I realized I had completely misunderstood Marzocchi on how to finetune my Marathon S. Or they
    weren't very good at explaining. Take your pick😉

    When I got to the rebound adjustment I still was a little confused though as it seems that the
    little screw for the rebound and the knob for the preload turn together. This is all on the right
    hand side. Setting preload on the left side was a piece of cake.

    Check out this picture for a right side view of Preload and Rebound adjustment knobs.
    myweb.cableone.netMarz reboundadj arrow.jpg When I turn the rebound
    "silver slot", the preload knob "black knob", moves with it and vice versa. I thought they should
    be set independently of each other but I am a little nervous about holding on to the black knob
    with a wrench and applying force on the screw in the middle. So as it is right now it feels like
    I can only set the preload on the right side.

    Is there anybody can explain how this is supposed to be. BTW I don't even have the plastic black
    knob anymore. It looks like it has been knocked off. You can see where the small allen bolt made
    a nudge mark in it. It is still easy to turn with a 7 mm wrench. Except that the screw moves
    with it.

    Hope somebody could follow this.

    --
    Perre

    You have to be smarter than a robot to reply.

    Per Elmsäter,

    After studying the picture it looks to me as if the rebound screw can be adjusted independant of
    the preload. Try holding the preload knob and gently turning the rebound set screw to see if it
    will move. If so, go ahead and set your preload and then adjust the rebound to your liking. The
    rebound must be a separate internal function of the cartridge. On the other (left) leg does the
    ETA adjustment move when you change the preload ?

    Keep in mind that I'm not a bike mechanic. Just trying to help ;-)

    As you said "Hope you can follow this"

    Well you could certainly follow me 😉 and you are spot on. If we start with the left leg lets
    rephrase your question. Does the preload change when you move the ETA? Then the answer is no. The
    ETA moves inside the preload about 60 degrees maybe. When you change the preload you want the ETA to
    follow so you don't hold on to it. Now this is exactly what I want to do on the right side with the
    rebound instead of the ETA and of course having the rebound move a lot more than 60 degrees inside.
    Several turns I was expecting. OK I tried doing what you propose and it didn't budge. Of course I
    didn't apply any brutal force, just fingertip muscles as I have learned my lessons in the past how
    easy it is to break bicycleparts when not moving them the way they are meant to. So I was hoping
    there would be somebody out there that has adjusted the rebound on their own Marathon S, preferably
    2003 years model. If there is can you confirm if the rebound screw moves independently of the
    preload knob on the right side?

    Quoted message said:

    Also I would think that Marzocchi would replace that plastic knob if you contact them. Possibly
    with the aluminum knob that comes on the 2004 Marathon S as it appears to be a weak point.

    Yes I am sure, but before I fix the cosmetics I wan't it working.

    --
    Perre

    You have to be smarter than a robot to reply.

  6. "Per Elmsäter" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Well you could certainly follow me 😉 and you are spot on. If we start


    with

    Quoted message said:

    the left leg lets rephrase your question. Does the preload change when you move the ETA? Then the
    answer is no. The ETA moves inside the preload


    about

    Quoted message said:

    60 degrees maybe. When you change the preload you want the ETA to follow


    so

    Quoted message said:

    you don't hold on to it. Now this is exactly what I want to do on the right side with the rebound
    instead of the ETA and of course having the rebound move a lot more than


    60

    Quoted message said:

    degrees inside. Several turns I was expecting. OK I tried doing what you propose and it didn't
    budge. Of course I didn't apply any brutal force, just fingertip muscles as I have learned my


    lessons

    Quoted message said:

    in the past how easy it is to break bicycleparts when not moving them the way they are meant to.
    So I was hoping there would be somebody out there that has adjusted the rebound on their own
    Marathon S, preferably 2003


    years

    Quoted message said:

    model. If there is can you confirm if the rebound screw moves independently of


    the

    Quoted message said:

    preload knob on the right side?

    Quoted message said:

    Also I would think that Marzocchi would replace that plastic knob if you contact them. Possibly
    with the aluminum knob that comes on the 2004 Marathon S as it appears to be a weak point.

    Yes I am sure, but before I fix the cosmetics I wan't it working.

    --
    Perre

    You have to be smarter than a robot to reply.

    I'm was hoping that screw would turn for you. There has to be someone out there in "The Bomberhood"
    who knows the answer. I'll be watching for a reply.

    Did you have a chance to try the fork before you started working on it ? If so, how did it ride ?

    --
    ^^^^^^^^^^^^^^^^^^^^^^^^ MBrundage@ease

    ^^^^^^^^^^^^^^^^^^^^^^^^

  7. MBrundage said:

    "Per Elmsäter" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    Well you could certainly follow me 😉 and you are spot on. If we start with the left leg lets
    rephrase your question. Does the preload change when you move the ETA? Then the answer is no. The
    ETA moves inside the preload about 60 degrees maybe. When you change the preload you want the ETA
    to follow so you don't hold on to it. Now this is exactly what I want to do on the right side
    with the rebound instead of the ETA and of course having the rebound move a lot more than 60
    degrees inside. Several turns I was expecting. OK I tried doing what you propose and it didn't
    budge. Of course I didn't apply any brutal force, just fingertip muscles as I have learned my
    lessons in the past how easy it is to break bicycleparts when not moving them the way they are
    meant to. So I was hoping there would be somebody out there that has adjusted the rebound on
    their own Marathon S, preferably 2003 years model. If there is can you confirm if the rebound
    screw moves independently of the preload knob on the right side?

    Quoted message said:

    Also I would think that Marzocchi would replace that plastic knob if you contact them. Possibly
    with the aluminum knob that comes on the 2004 Marathon S as it appears to be a weak point.

    Yes I am sure, but before I fix the cosmetics I wan't it working.

    --
    Perre

    You have to be smarter than a robot to reply.

    I'm was hoping that screw would turn for you. There has to be someone out there in "The
    Bomberhood" who knows the answer. I'll be watching for a reply.

    Did you have a chance to try the fork before you started working on it ? If so, how did it ride ?

    Slow rebound. I wan't it quicker, livelier.

    --
    Perre

    You have to be smarter than a robot to reply.

  8. "Per Elmsäter" <[email hidden]> wrote in message news:<[email hidden]>...

    Quoted message said:
    Quoted message said:

    I'm was hoping that screw would turn for you. There has to be someone out there in "The
    Bomberhood" who knows the answer. I'll be watching for a reply.

    Did you have a chance to try the fork before you started working on it ? If so, how did it
    ride ?

    Slow rebound. I wan't it quicker, livelier.

    Per,

    Let's start from the start...

    The preload is adjusted with the knobs (the black large ones) on _both_ legs. When you turn them
    clockwise, it increases the preload. Counterclockwise decreases the preload.

    The rebound is adjusted with the the little screw on the right fork leg. The little screw can be
    turned independently from the black knob using a screwdriver while holding the black knob to prevent
    it from turning. If you want to adjust the rebound properly, turn the screw fully clockwise and make
    that your starting point, then adjust it until it feels right for you.

    Hope this helps.

    - CA-G

    Can-Am Girls Kick Ass!

  9. Carla A-G said:

    "Per Elmsäter" <[email hidden]> wrote in message
    news:<[email hidden]>...

    Quoted message said:
    Quoted message said:

    I'm was hoping that screw would turn for you. There has to be someone out there in "The
    Bomberhood" who knows the answer. I'll be watching for a reply.

    Did you have a chance to try the fork before you started working on it ? If so, how did it
    ride ?

    Slow rebound. I wan't it quicker, livelier.

    Per,

    Let's start from the start...

    The preload is adjusted with the knobs (the black large ones) on _both_ legs. When you turn them
    clockwise, it increases the preload. Counterclockwise decreases the preload.

    Check.

    Quoted message said:

    The rebound is adjusted with the the little screw on the right fork leg. The little screw can be
    turned independently from the black knob using a screwdriver while holding the black knob to
    prevent it from turning. If you want to adjust the rebound properly, turn the screw fully
    clockwise and make that your starting point, then adjust it until it feels right for you.

    Check

    Quoted message said:

    Hope this helps.

    Yes Carla that helped. You have answered precisely the question I am asking. So now it seem I have a
    problem since I cannot turn the rebound screw without having the knob turn. Probably it is either
    screwed out too far or in too far until it got stuck. Not being sure of which direction I need to
    apply force I am in a bit of a fix on how to go on with this.

    However you have confirmed my suspicions and maybe I'll get this screw moving one of these
    days. Hopefully without busting it. I'll probably soak it in Coca Cola or something overnight
    and try again 😉

    Hmmm I reread this post before I sent it and saw that I answered earlir that the rebound was too
    slow. That should be the answer to which direction the screw is overtightened

    Thanks all, now I have good hope of solving this.

    --
    Perre

    You have to be smarter than a robot to reply.

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