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Thread: Lower Triple Clamp Question

  1. #1
    Join Date
    Dec 2002
    Location
    Orange County, NY
    --
    1,772

    Lower Triple Clamp Question

    Can the shaft be removed without damaging the lower triple clamp on an 85 250R or 350X? It looks like it can be pressed out and I have read a post that inferred that it could be removed. I just wanted a little input before I put the hydraulic press to it.

    John
    1985 Eddie Sanders ATC330r
    1986 Monstecate
    1984 ATC70 (awaiting 125cc transplant)
    1984 ATC125M
    1986 GSXR 750 - Keepin' it old school!
    1999 Arctic Cat 500 4x4 plow machine
    1999 Arctic Cat Thundercat 1000 (lake lizard)
    1996 Arctic Cat Jag 440 L/C (ditch banger)

  2. #2
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,688
    Yes It can be pressed out. Be sure to leave a little extra room around the stem, because It has a round clip on It like the clip that holds the lock nut on a Honda rear axle. I used a socket on one that I pressed out and the clip got trashed.

    83 ATC 60-R Cr60 converted with Zinger parts.
    83 ATC 70.
    83 Tri zinger
    ATC 85-R Cr85 engine on shortened 86-R frame.
    ATC450AF
    86 310-R Drag racer
    440 snowmobile powered custom built.
    87 Cr 500 Converted to Drag racer

  3. #3
    Join Date
    Dec 2002
    Location
    Orange County, NY
    --
    1,772
    Thanks so much Jason. I think that the easiest way to swap the X front clip onto my R will be to transfer the shaft from the R lower triple to the X lower triple. I am under the impression from what I've read that the shaft hole in the X lower triple is bigger than the one in the R lower triple so I'll have to work around that.

    John
    1985 Eddie Sanders ATC330r
    1986 Monstecate
    1984 ATC70 (awaiting 125cc transplant)
    1984 ATC125M
    1986 GSXR 750 - Keepin' it old school!
    1999 Arctic Cat 500 4x4 plow machine
    1999 Arctic Cat Thundercat 1000 (lake lizard)
    1996 Arctic Cat Jag 440 L/C (ditch banger)

  4. #4
    Join Date
    Jan 2007
    Location
    Back in Happy Valley
    --
    833
    You can most likely either drill it or have a local machine shop bore it out (they could leave a ridge in the bottom for it to seat) .02 or .03 smaller than the shaft so it presses in snuggly and you should be good to go...
    86 350X
    85 350X daily rider
    LC 250R
    85 T3
    86 T3 roller
    85 250sx beater



  5. #5
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,688
    Yes, you will need to make a bushing.

    83 ATC 60-R Cr60 converted with Zinger parts.
    83 ATC 70.
    83 Tri zinger
    ATC 85-R Cr85 engine on shortened 86-R frame.
    ATC450AF
    86 310-R Drag racer
    440 snowmobile powered custom built.
    87 Cr 500 Converted to Drag racer

  6. #6
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,688
    I've done It a couple different times, on my cr500 the stem sizes were real close, so I bored the 350x hole a bit bigger, then made a bushing that had some thickness to It so I didn't just smear a thin bushing.

    83 ATC 60-R Cr60 converted with Zinger parts.
    83 ATC 70.
    83 Tri zinger
    ATC 85-R Cr85 engine on shortened 86-R frame.
    ATC450AF
    86 310-R Drag racer
    440 snowmobile powered custom built.
    87 Cr 500 Converted to Drag racer

  7. #7
    Join Date
    Dec 2002
    Location
    Orange County, NY
    --
    1,772
    Cool, thanks. Fortunately I have extras of this stuff so I don't have to take my ice trike apart while I try to figure this out. I might be better off having a few thousands shaved off of the entire 350X shaft so that I can put the 250R lower bearing on it. I'm also thinking about going to an auto parts store and seeing if they have anything that fits nicely on the lower portion of the 350X shaft but has the same outside diameter as the 250R bearing. I also tossed around the idea of grabbing a 350X tapered head set conversion kit and using the lower bearing out of that.

    John
    1985 Eddie Sanders ATC330r
    1986 Monstecate
    1984 ATC70 (awaiting 125cc transplant)
    1984 ATC125M
    1986 GSXR 750 - Keepin' it old school!
    1999 Arctic Cat 500 4x4 plow machine
    1999 Arctic Cat Thundercat 1000 (lake lizard)
    1996 Arctic Cat Jag 440 L/C (ditch banger)

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