2007 yz450 header pipe


2 replies to this topic
  • trevTFD

Posted February 07, 2012 - 01:09 PM

#1

Just trashed my header pipe while taking a spill in some rocks. It was almost pinched shut. The bike sounded a lot deeper, and i didnt have much power in the upper gears. I had to ride 30 miles back to camp. Could this have damaged the Bike at all? I kept in in a high gear and tried to cruise......also. looking for a new pipe. Preferably a stock pipe. What years will match my 07? can i get a stock pipe from a WR? and what price range should i be looking at? thanks in advance. Trevor

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • grayracer513

Posted February 07, 2012 - 02:22 PM

#2

The '07 is a stepped header design, and ideally, you would only want to replace that with another '07. The thing that will decide which fits and which doesn't is the outlet diameter. The trouble is that I don't recall precisely whether the outlet on the '07 matches the earlier '06 header, or the later '08/9 one.

There's no likelihood that the bike was damaged.

You should give a try to freezing it straight, though. Fill the header with water and stand it up like a U in the freezer for an hour or two. The expanding ice will push the dent part way out. Let the ice melt without using heat (putting it in a bucket of warm, or even room temp water will speed this up), refill it and repeat as many times as you need to to push out most of the damage. This won't work in really severe cases, or restore it like new, but it works pretty well most of the time, and it can't hurt to try it.

  • stroker101

Posted February 07, 2012 - 02:42 PM

#3

"it was almost pinched shut"

i tried the freezing method for about a week and was not at all successful. my pipe was a DRD Titanium Header with a medium sized dent (quarter size). i used a 5/16" diameter solid rod bent in a shape, with the end rounded, to reach the dent, heated up the header with a propane torch and gentily messaged the dent out. not perfect but worked.

if your header is damaged as you describe, just buy a new header

Edited by stroker101, February 07, 2012 - 02:43 PM.






Related Content

Wiki
WR Camshaft Swap Info - last post by jamesm113

WR Camshaft Swap Info


Articles
  • 0 replies
Forums
Photo

James Stewart back on a YZ450F by YamaLink


Dirt Bike   Special Interest Forums   Pro Racing
  • Hot  47 replies
Forums
Photo

Michigan Motocross Tires by 288yz450


Dirt Bike   Dirt Bike Regional Discussion   North
  • 1 reply
Forums
Photo
Motocross

Thinking about Yamaha 250... by Arctic Pride


Dirt Bike   Special Interest Forums   Pro Racing
  • Hot  491 replies
Reviews

Yamaha YZ450F 2017 by Chris.GVS


Yamaha YZ450F 2017
  • - - - - -
  • 0 reviews
 
x

Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.