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piston

  1. Engine/EFI/Drivetrain
    So i recently purchached a stock 2008 ds 450 xc and im re doing the whole thing to make it race ready. Im kinda green on the motor side of things so please bear with me.. I have a couple questions about doing a rebuild. First of all what is the difference between a 13:2:1 high compression and a...
  2. Body/Controls/Protection
    Hey guys! I am having some trouble with my rear brakes. Prior to putting on new pads today, I was having an issue where I would apply the brake pedal and the piston within the caliper would not return after I let off the pedal. Essentially the brakes were applied all the time. So when I...
  3. Engine/EFI/Drivetrain
    Ok. I've been hemming and hawwing about doing a DS450 to break up the FLEET of KTM's we here at THR ATV Racing are currently campaigning, and it looks like I'll be making the drive to Maryland pick up a fresh, dealer leftover 09 DSX in the morning. Two things worry me about the Aluminum...
  4. Body/Controls/Protection
    Well I've been running no back brakes since my last post, since I haven't had the time to fix them, but now I do and I tried blowing the brake piston through the hole where the cable attaches with compressed air to get it out but it just won't come out!! It moves a little but won't come...
  5. Body/Controls/Protection
    Please excuse me if this has already been asked but i couldn't find anything to help me so im asking directly :) . So it seemed like my brakes were stuck on and it was making a wierd smell so i checked my brakes and the piston was stuck forward and it doesn't want to move back again. PS. I...
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