Answer Manitou M-Sport Rebuild- Mtbr.com
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  1. #1
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    Answer Manitou M-Sport Rebuild

    Hi all-

    I just disassembled my old circa 1994 M-Sport so I could rebuild with this kit:

    Manitou Sport Elastomer Refresh Kit - Suspension Fork Parts eStore - (Powered by CubeCart)

    However, I found that the blue elastomers inside have melted into a super sticky goo. (the red ones just hardened and cracked) They are stuck down in the bottom of the fork tubes along with some of the washers etc... Has anyone else ever had this problem? If so, what did you do to clean it out?

    thanks, -Mike
    friends don't let friends ride bikes on roads

  2. #2
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    I found a bunch of guys on other forums that had the same exact problem with similar old elastomer forks. Apparently certain elastomers just melt after 15-20 years. Anyway, they suggest the following: carb cleaner, acetone, oven cleaner and boiling water. Either way, it's gonna suck getting them clean.
    friends don't let friends ride bikes on roads

  3. #3
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    I wanted to post an update to this. Acetone is the way to go. It will completely break down the gooey mess left over from the old melted elastomers. I used a long screwdriver with an old cloth on the end to twizzle down in there and it cleaned it out perfectly. I could then soak the remaining parts in some more acetone to get them clean before reassembly. BTW, the kit I mentioned before is perfect.



    And here's what the bike looks like after its fork rebuild, clean up and tune up. I went for my first ride in about 15 years today, and it was really good to get back on the trails. You know how they say you never forget how to ride a bike? Not so true. I can't do half the stuff I used to do.

    friends don't let friends ride bikes on roads

  4. #4
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    Answer Manitou M-Sport Rebuild

    Looks really nice. If you haven't new brake pads are in order.


    Sent from my iPad using Tapatalk HD so please forgive the typos that occur when typing with two fingers.
    Riding slowly since 1977.

  5. #5
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    Quote Originally Posted by Cary View Post
    Looks really nice. If you haven't new brake pads are in order.
    You can tell from the picture? ha ha. Yeah, everything on the bike (except for hand grips) is original from 1994. The brakes don't feel like they used to. I probably need new everything-else too.
    friends don't let friends ride bikes on roads

  6. #6
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    Quote Originally Posted by SpeedRacer350 View Post
    Hi all-

    I just disassembled my old circa 1994 M-Sport so I could rebuild with this kit:

    Manitou Sport Elastomer Refresh Kit - Suspension Fork Parts eStore - (Powered by CubeCart)

    However, I found that the blue elastomers inside have melted into a super sticky goo. (the red ones just hardened and cracked) They are stuck down in the bottom of the fork tubes along with some of the washers etc... Has anyone else ever had this problem? If so, what did you do to clean it out?

    thanks, -Mike

    Hi,
    I am considering getting the same 'kit' and will seek out a Pro bike shop to do the work.
    Your suggestions will be very useful.

    Could you please tell me if the kit contains the Blue and Red elastomer "bumpers' and are there any Seals provided? The description of the kit does not mention these items. Did you have to order those separately ?.
    Thanks. Appreciate any advice from your reply.
    Rick

  7. #7
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    The kit is available with either medium or firm bumpers. You have to specify which you want when you buy. I got medium and it feels like the original stock ones. They are not color coded like the originals. The seals are available separately:

    Manitou Dust Seal - Suspension Fork Parts eStore - (Powered by CubeCart)

    good luck!
    friends don't let friends ride bikes on roads

  8. #8
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    Seals ?

    Quote Originally Posted by SpeedRacer350 View Post
    The kit is available with either medium or firm bumpers. You have to specify which you want when you buy. I got medium and it feels like the original stock ones. They are not color coded like the originals. The seals are available separately:

    Manitou Dust Seal - Suspension Fork Parts eStore - (Powered by CubeCart)

    good luck!
    Great reply...thank you.!
    Did you have to replace the seals on your Shock ?
    Mine appear OK. But like the rest...it's 20 years old ..even if it never saw mud pile up around the tubes.

    Rick

  9. #9
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    My seals looked fine and were pliable, so I just reused them.
    friends don't let friends ride bikes on roads

  10. #10
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    OK. I'll inspect mine closer...and probably go the same way and reuse.
    Thanks again for your replies and advice.
    Cheers!

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