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Thread: Aluminum 450r 3 wheeler.

  1. #16
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,686
    Good thing the wife loves me!!! Made a little progress with all my parts In the front room of the house today. Well I machined everything In the garage & brought It Inside to assemble & measure where It's warm . I fitted the swingarm, and also got the rake and wheelbase set. I'll be using stock length Inverted dirt bike forks. It should work out to have 12" of ground clearance when the suspension Is hanging. The seat height will be set at about 29" (same as a stock trx250r). I'm still planning on building an aluminum tank that will be higher than the stock cfr450 tank. That will give me a chance to build a sweet seat up the back of the tank. Now to just get a nice long travel rear shock setup for a trx 450. It turns out I won't have to cut the frame other than removing part of the Origional rear shock mount.
    Attached Thumbnails Attached Thumbnails CRF 450r frame, trx450 swing..jpg   trx swing on crf..jpg   swing pivot trx,crf..jpg  

    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

  2. #17
    Join Date
    Feb 2004
    Location
    Columbiaville, MI.
    --
    1,509
    I see your making some headway on the project,and making it into the house is a deffinate plus..A few ??'s,I assume that the frame setting on the crate is a pretty good guesstimate of where the frame will actually build.Now by setting that,did it give you the rake your wanting ,or did you machine the tree? And I see more clearly what we talked about with the rear shock,How much do you have to lower the shock mount,to get that all 100% established?? Looking good ..
    www.muddogs.org - My New Website

    MDR Racing

    Trikefest '06 '07 '08 '09 Survivor !!!!
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  3. #18
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,686
    Roger, It has alot deg of rake now, that should be a little less once I'm on It. I figure If the bike drops 3" with me sitting on It I'll have a good 9" ground clearance. The rear shock mount will probly be about 4" lower than the bike mount was. I'm lookin at running an airbox under the seat, so dropping the rear shock will leave room for the carb boot to go overtop of the shock. Thats why I wanted to use the TRX swingarm & shock so bad.
    Attached Thumbnails Attached Thumbnails 450,350x carb clearance..jpg   CRF 450 engine 33.jpg  
    Last edited by Jason Hall; 05-10-2010 at 03:57 PM.

    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

  4. #19
    Join Date
    Jan 2007
    Location
    Masshole
    --
    2,191
    I know the trx 450 shock on my 250r is very stiff, i assume its geometry related and has to do with where it mounts. Maybee that will be the same on this? Perhaps the bike shock is a better candidate? Prob has more travel than the trx also?

  5. #20
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,686
    I will be using an atc/trx 250r shock to build the bike. As soon as money will allow, I will purchas an aftermarket 250r long travel shock. I want It setup soft to match the front forks. I know what your talking about, my 450/350x was stupid stiff with a stock 450 shock.

    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. #21
    bushwacker51 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
    Join Date
    Jun 2003
    Location
    Cherokee, Oklahoma
    --
    264
    Jason,
    I was reading the posts about your project and I read the statement you wrote that one change makes other changes. That is so true when you are fabricating something. I built a pro street 55 chevy truck. I was fabricating the radiator suport and one little change in the support design changed everything and caused nightmares lol. Good luck in your build Glenn O.

  7. #22
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,686
    A little more progress.
    Attached Thumbnails Attached Thumbnails 450r 1.jpg  

    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

  8. #23
    Join Date
    Jan 2005
    Location
    Oklahoma City, OK
    --
    603
    wow that looks awesome man, I'm always very impressed with your work, keep it up
    85 Tecate, 2002 Honda 300EX, 83 & 84 250R, a bunch of honda 4 strokes from 90 to 200cc, a klt 110, ytm 200, polaris 250 cyclone, '05 Roketa 125 (cheap chinese pitbike to beat on), '69 Scrambler 6x6, and a 52 John Deere B (hey its a rowcrop narrow front, that counts right? )
    Trike Fest 06 and 07 Survivor, hoping to make it to 2010

  9. #24
    Join Date
    Aug 2006
    Location
    NW Ohio
    --
    1,042
    Any updates?
    ATC500AF

  10. #25
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,686
    Still gathering part guys. I did modify the tripples a little to shorten the wheel base. I just bought a 18.5" Axis rear shock. I'll be cutting the origional top shock mount off & adding a new one where It's needed for the new shock setup. I modded the tripples so I can use a 06-08 TRX swinger. I sat a stock trx450r seat up to the frame so you can get an Idea what that will be like. Next I'll be in the market for a trx450 rear subframe. I will be shortening up the front of the trx seat pan to leave room for the gas tank. A little at a time and I'll get It done.
    Attached Thumbnails Attached Thumbnails 450r 5.jpg   450r 3.jpg   450r 4.jpg   450r 6.jpg  
    Last edited by Jason Hall; 02-17-2008 at 04:05 PM.

    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

  11. #26
    Join Date
    Aug 2006
    Location
    NW Ohio
    --
    1,042
    looking good! thats gonna be one bad *Edited**Edited**Edited**Edited**Edited* ride!
    ATC500AF

  12. #27
    Join Date
    Oct 2007
    Location
    Grosse Tete, LA
    --
    3,439
    any more pics or work?
    Feedback thread: http://www.3wheelerworldforums.com/s...ad.php?t=78535

    Patiently waiting..

  13. #28
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,686
    The Goat, I'm waiting for my rear shock to get back from Custom Axis. I decided to use a CR-500 shock. It will easily have 12" of rear wheel travel using 06-08 TRX450 linkage. The shock needed to be rebuilt, so I figured they might as well revalve It for the TRX450 linkage. Once I have the shock back, I can build the top mount. With the shock mounted It will be rolling, and the rest of the build should go a bit faster. I did pick up a good TRX450 rear sub frame, but can't make that fit until the shock mounting Is done.

    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

  14. #29
    Join Date
    Aug 2006
    Location
    Arlington, Wa
    --
    1,027
    this is a sweet project
    Charlie Don't Trike

    85' ATC 350X
    85' ATC 250SX
    85' YTM 225DX (sweetie)
    84' ATC 200 auto X
    85' ATC 70
    85' YT 60


    My Partz Auctions

  15. #30
    Join Date
    May 2006
    Location
    N.E. Ohio
    --
    1,833
    If you need to I believe Dr. D makes a lowering kit to drop the radiators just a bit.

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