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Thread: Air Forks

  1. #1
    Senior Member Maxpower's Avatar
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    Air Forks

    Has anyone make air fork caps for their TW?
    Back in the day we uses to fit a schrader valve to the fork cap of out vintage mx bikes (which were current dirt bikes at the time) to assist the too soft fork springs .
    If there's room I'd like to try it on my 87. The suspension is so poor on these bikes, I'd like to get an aftermarket shock and do something with the forks
    Ken likes this.
    87 TW

  2. #2
    Senior Member elBuro's Avatar
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    Yep, I got some valves, had the caps drilled and tapped. Been running them for years, 10psi each leg. Also run 15W oil a bit higher than stock. Great feel.

    No front end dive during normal braking on the street with this setup.
    Last edited by elBuro; 01-25-2019 at 10:30 PM.
    Ken, Fred, Darth and 2 others like this.

  3. #3
    Senior Member elBuro's Avatar
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    Badgerflorida likes this.

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  5. #4
    Senior Member elBuro's Avatar
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    My DIY Air Fork Caps ...

    Quote Originally Posted by Maxpower View Post
    Has anyone make air fork caps for their TW?
    Back in the day we uses to fit a schrader valve to the fork cap of out vintage mx bikes (which were current dirt bikes at the time) to assist the too soft fork springs .
    If there's room I'd like to try it on my 87. The suspension is so poor on these bikes, I'd like to get an aftermarket shock and do something with the forks
    Here is my solution ... Done ten years ago ...

    DSC02102.JPGDSC02103.JPG
    Fred, CJ7Pilot, Peterb and 2 others like this.

  6. #5
    Senior Member Fred's Avatar
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    Quote Originally Posted by elBuro View Post

    But don't forget the add says: "It may need to up or back the steering wheel because there is a possibility that it will interfere depending on the body SR400/500 TW which has TYPE-I (with air valve)."
    If Ido get that TW500 they're talking about I'll figure out some way to deal with the steering wheel.

    Ken and Badgerflorida like this.
    2003 TW200 "Betty Boop"
    2006 TW200 "Nibbler", a.k.a. “Mr.Gizmo"
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  7. #6
    Senior Member elBuro's Avatar
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    Quote Originally Posted by Fred View Post
    But don't forget the add says: "It may need to up or back the steering wheel because there is a possibility that it will interfere depending on the body SR400/500 TW which has TYPE-I (with air valve)."
    If Ido get that TW500 they're talking about I'll figure out some way to deal with the steering wheel.

    Damn, I can't find a Japan TW500 anywhere!

  8. #7
    Senior Member Xracer's Avatar
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    If you want to get real fancy put a cross over tube from one cap to another. That way you have just one filler valve and equal pressure in both forks.

  9. #8
    Senior Member elBuro's Avatar
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    Had that on my 78 RD400 in the day LOL

  10. #9
    Senior Member Fred's Avatar
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    If the mythical 500TW 's steering wheel is anything like Triumph's handlewheel then those Wetbike schraders might be too tall without handlewheel risers. HandleWheel2-1-1.jpg
    elBuro and Lyterx like this.
    2003 TW200 "Betty Boop"
    2006 TW200 "Nibbler", a.k.a. “Mr.Gizmo"
    Hidden Content All Things Considered I’ld Rather Be Motorcycling

  11. #10
    Senior Member elBuro's Avatar
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    Quote Originally Posted by fred View Post
    if the mythical 500tw 's steering wheel is anything like triumph's handlewheel then those wetbike schraders might be too tall without handlewheel risers. HandleWheel2-1-1.jpg
    yikes!

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