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Thread: 400ex swingarm on a 450r

  1. #1
    Join Date
    Jan 2005
    Location
    georgia
    Posts
    3

    Question 400ex swingarm on a 450r

    Can I use a 400ex swingarm on my 450r? What will I have to do to make it work?

  2. #2
    Join Date
    Dec 2004
    Location
    Michigan
    Posts
    62
    why?

  3. #3
    Join Date
    Jan 2005
    Location
    georgia
    Posts
    3
    I already have a new plus 1.25" swing arm for a 400ex. I would like to use it instead of buying a new one.

  4. #4
    Join Date
    May 2003
    Posts
    196
    All you need to change is the sleave that goes through the needle bearings everything else is the same i've been useing 400ex swinger since mine was new with no troubles.

  5. #5
    Join Date
    Feb 2004
    Location
    oneonta, ny
    Posts
    288
    i used a 400ex swingarm on my 450 and i had trouble with chain allignment. all i had to do to fix it was turn the front sprocket around and the chain lined up nice. it did not come off anymore after i did this. you can use the sleeves from your stock swingarm pivot. also i had to cut and fabricate my stock chain slide, but the original 400ex slide may work fine for you.

  6. #6
    Join Date
    Jan 2002
    Location
    Des Moines, Ia
    Posts
    571
    Is the lenght the same on both? This is good to know incase I ever step up to the 450.
    2003 Honda 400EX--- Lonestar +4 swingarm, AC Pro-Peg nerf bars, AC swing arm skid plate, Duncan Racing graphics & seat cover, 250R axle & brake. brake light mod, Crowley air scoops, Pingry oil tank, ASV clutch lever, Works Triples w/rezzies, K&N Filter, AC rear R grab bar, GT Thunder rear linkage. TAG bumper, Yellow w/red flame shock covers, 1 lever braking system, carbon fiber hood, exhaust sheild, rear brake cylinder guard.
    Burgard Beadlocks--Razor Tires
    ITP T9 Baja--Pure Sport Realtors
    Douglas .190--Skat Trak Gliders
    2005 Haulmark Snow Tow 8.5x18 Enclosed Trailer
    1983 Honda ATC 250R (project)
    2003 Honda XR50 ---SOLD
    2002 Honda 250EX (wifes)
    HANDY ATV Lift-- Awesome
    2004 Honda Metropolitan Scooter(wifes-YES spoiled!)
    1997 Honda 300EX---SOLD
    1988 Suzuki LT80---SOLD

  7. #7
    Join Date
    Mar 2002
    Location
    ky.
    Posts
    861
    Yes the sleeves for the 450r are the same.
    GNCC

  8. #8
    Join Date
    Jan 2002
    Location
    Des Moines, Ia
    Posts
    571
    Sorry I mean the actual lenght of the swingarm. With the 400 arm on the 450 will it be the same wheelbase or +-.
    2003 Honda 400EX--- Lonestar +4 swingarm, AC Pro-Peg nerf bars, AC swing arm skid plate, Duncan Racing graphics & seat cover, 250R axle & brake. brake light mod, Crowley air scoops, Pingry oil tank, ASV clutch lever, Works Triples w/rezzies, K&N Filter, AC rear R grab bar, GT Thunder rear linkage. TAG bumper, Yellow w/red flame shock covers, 1 lever braking system, carbon fiber hood, exhaust sheild, rear brake cylinder guard.
    Burgard Beadlocks--Razor Tires
    ITP T9 Baja--Pure Sport Realtors
    Douglas .190--Skat Trak Gliders
    2005 Haulmark Snow Tow 8.5x18 Enclosed Trailer
    1983 Honda ATC 250R (project)
    2003 Honda XR50 ---SOLD
    2002 Honda 250EX (wifes)
    HANDY ATV Lift-- Awesome
    2004 Honda Metropolitan Scooter(wifes-YES spoiled!)
    1997 Honda 300EX---SOLD
    1988 Suzuki LT80---SOLD

  9. #9
    Join Date
    Mar 2002
    Location
    ky.
    Posts
    861
    That I do not know
    GNCC

  10. #10
    Join Date
    Sep 2002
    Location
    Central Iowa
    Posts
    422
    I have been running a Leager 400EX Swingarm on my 450R since Feb last year. It works great!.

    The 450R aftermarket and the 400EX aftermarket both say there +1 1/4 and they are the same so UI would think that the stock ones would be also...
    '08 KFX 450R & '05 Prairie 700

    41yr old Racer/Rider & The AMA ATV Congress Deligate for District 22.
    WWW.IowaMX.COM WWW.IATVHSS.COM
    For Sale, Parting out '04 TRX 450R My Parts Thread

    2008 Sponcers: www.DigitalTrend.us KunkelConstruction.us , Hickman Racing, Scott USA, TAG-One Industries, Oury, K&N Filters, Mothers, Carbin Fiber Works, Miaer, & Thor. Thanks Guys!

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