Maintenance & Technical > KX500 Original

Wiseco, Wossner, or Pro X Or ???

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436m:
Millenium has my cylinder ready, but Wossner is out of pistons right now, should I wait or get another brand?

big green:
i know most of the guys on here like wossner and that is understandable but I have always had great luck with oem and pro x pistons. I have never felt the need for forged pistons. I am getting ready to send my engine to tom morgan for a complete rebuild and he will be using a cast piston per his recommendation. I am sure there are some situations where forged would be the better way to go but I have been riding dirt bikes all my life and never used one. Not looking to start a pissing match with those who prefer forged just answering your question from my personal history.

Foxx4Beaver:
I myself would wait....I myself will never run Wiseco again, as the last one I got, the ring lands were wavy...and if you ask Motorrad his opinion of Wiseco, he'll give a similar response, and then some!

Another reason I myself could wait, is living in New England, it's still rather cold in the 20's and 30's , and snow on the ground....I could wait easily another 3-4 weeks. 

Who knows...maybe another member on here has an extra Wossner they'd be willing to part with, so you can proceed with your build....give it a little time.

sandblaster:
As for me and many other builders on this site, (Motorrad, Alward25, JT Engine Works, USMC, KX Guru racing, and many others) we wait for the Wossners.
I have two builds right now waiting.

If you have a stock engine and won't be modding it, and you are a easy rider, you can use a cast and likely will have no issues.
But personally I wouldn't risk it... Especially with what a good rebuild will cost you.

Oh... If you ride like Sean Collier, you'll need to run a Wossner :-)

alward25:

--- Quote from: 436m on March 22, 2017, 12:29:02 AM ---Millenium has my cylinder ready, but Wossner is out of pistons right now, should I wait or get another brand?

--- End quote ---
Ask if they can do it faster if they make it an 88MM.  Those are a little more plentiful.

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