can this head be salvaged?


7 replies to this topic
  • TwIzTeD NuTz

Posted March 31, 2012 - 04:09 PM

#1

I havent measured head warpage but i noticed this when i flipped the head over. the seats appear beat up pretty bad, but if its worth saving its cheaper than buying a new head. it appears to be a chunk missing from right around the edge of the valve seat. I am wondering if a good head shop can fix this and install new seats. if so anyone got a good recommendation on a shop that can do this? the seats in the head are aftermarket, any reason why they are beat up so bad?

the chunk missing that im talking about is the top side of the lower seat.

Posted Image

  • grayracer513

Posted March 31, 2012 - 04:51 PM

#2

Looks overheated. Seriously so.

  • TwIzTeD NuTz

Posted March 31, 2012 - 05:01 PM

#3

Looks overheated. Seriously so.


yeah thats what im starting to think. do you think i should just throw it away? the warpage is out of spec too.

  • TwIzTeD NuTz

Posted April 01, 2012 - 12:46 PM

#4

also what do you think caused it to overheat this severly?

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

Posted April 01, 2012 - 01:47 PM

#5

Lack of coolant. You should have an experienced machinist look at it first hand.

  • TwIzTeD NuTz

Posted April 01, 2012 - 02:37 PM

#6

no one local worth a crap, do you know anything about fastheads?? or pro quad?

  • grayracer513

Posted April 01, 2012 - 08:18 PM

#7

These guys are in Wisconsin. Not too far away, and they do good work, so far as I know.

http://www.mt-llc.com/

  • TwIzTeD NuTz

Posted April 01, 2012 - 08:58 PM

#8

Gray thanks youre a big help as always!!





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

yz250x vs 450 4t comparisons (preferably desert riding) needed by JakeNorthrupYZ450F


Dirt Bike   Make / Model Specific   Yamaha   Yamaha 2-Stroke
  • 9 replies
Forums
Photo

Michigan Motocross Tires by 288yz450


Dirt Bike   Dirt Bike Regional Discussion   North
  • 1 reply
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.