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Thread: 505sx nicely setup

  1. 08-01-2009, 06:44 PM #1
    ltr311
    ltr311 is offline Senior Member
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    505sx nicely setup

    This is my 505sx up for grabs. This bike is in super nice condition. Maybe 20hrs on it. Need a 450 so Im selling this bike. Very very powerful with all the right mods. Dyno tuned to 54whp 38fltbs. with 41mm carb and 55.5whp with 42.5mm carb. My buddies 450sx made 50whp 35ftlbs with fmf pipe and jetted for comparison. This thing runs hard with huge power across the board. Need to get $9500 for it with all below parts and stock parts. Can be had with either carb setup.

    Mods include
    Rocket Ron Wp modded triple rate shocks front and dual rear. these are sickness valved for 190lb rider and long travel mod.
    Motorworks full system (not even available to public)
    41mm or 42.5mmcarb modded by fastrachero to elimate all issues
    ktm bumper
    ktm frame guards
    ktm key relocator
    ktm start button
    ktm clutch and brake cover
    ktm bling on motor
    ktm orange 37t sprocket
    Fourwerx carbon hood
    Fourwerx carbon heatshield
    black ktm nerfs
    ohlins dampner
    razr cross fronts and quadcross rears. KILLER COMBO
    modded air box/filter cage and extra filter
    upgraded carrier bearings
    uprgaded rear brake bracket
    quadtech mx low cover and foam/ also have stock
    dwt new mud plugs.
    black shock guards
    and Im sure there is things Im missing.

    Here are a few pics. Pm if your interested. thanks Anthony




    09 ktm 505sx . Sold
    09ktm 450sx Jb pro series arms, PEP PB1s , fmf 4.1/megabomb, Fuel customs intake.

    2010 sponsors, ktm northamerica, fasst co, Fuel customs, Action motorsports, hinson, dwt racing, evs.
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  2. 08-11-2009, 09:17 PM #2
    ltr311
    ltr311 is offline Senior Member
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    Decided to keep for now.
    09 ktm 505sx . Sold
    09ktm 450sx Jb pro series arms, PEP PB1s , fmf 4.1/megabomb, Fuel customs intake.

    2010 sponsors, ktm northamerica, fasst co, Fuel customs, Action motorsports, hinson, dwt racing, evs.
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  3. 08-12-2009, 09:28 PM #3
    miles Machine's Avatar
    miles Machine
    miles Machine is offline your slow, i hate you
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    all you have to do is switch the cylinder and piston to make it a 450...everything else stock is the same
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  4. 08-14-2009, 06:03 PM #4
    Stephen#7
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    The rod/crank is different to.
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  5. 08-16-2009, 10:34 PM #5
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    miles Machine
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    no it isnt the bore is the only difference not the stroke
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  6. 08-21-2009, 01:14 PM #6
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    m0t0xk1d
    m0t0xk1d is offline Senior Member
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    would you really even need to switch the piston cant you just resleeve it
    2008 ds450 xmx/motoworks/BCS
    2011 Neatv - Production B
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  7. 08-21-2009, 01:29 PM #7
    usp4u
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    how do you expect to fit that 505 piston in the sleeved down 450 bore ?
    08 yz450
    Originally posted by JR3
    im the white quad version so im just as cool
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  8. 08-24-2009, 01:23 PM #8
    m0t0xk1d's Avatar
    m0t0xk1d
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    opps i ment do you really need to switch the cylinder . cant you just resleeve the original cylinder
    2008 ds450 xmx/motoworks/BCS
    2011 Neatv - Production B
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  9. 08-24-2009, 10:22 PM #9
    ltr311
    ltr311 is offline Senior Member
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    Originally posted by miles Machine
    no it isnt the bore is the only difference not the stroke
    Wrong. The crank and rod are beefier. You cant just switch thats all there is to it.
    09 ktm 505sx . Sold
    09ktm 450sx Jb pro series arms, PEP PB1s , fmf 4.1/megabomb, Fuel customs intake.

    2010 sponsors, ktm northamerica, fasst co, Fuel customs, Action motorsports, hinson, dwt racing, evs.
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