Aftermarket XR600 crank?

5 replies to this topic
  • xr500_89

Posted April 25, 2006 - 06:50 PM


anyone know of a good after market crank possibly billet? and also before i go buy a new crank i noticed my old one is getting slightly blue around the ive read this is a sign its time to replace or rebuild the crank tell me you guy's theories mighty thumper gurus

  • jd8850

Posted April 25, 2006 - 07:31 PM


I've had excellent luck with the Carrillo rods. Xr's only put in 2 for me on 2 different bikes. I'm not the biggest fan of Xr's only but maybe you can find someone else to install one. Once I tried the IMS hotrod and totally destroyed the engine when it snapped after 10 hours, but I did get the pleasure of a 435ft skid mark down a dirt road when the rear wheel locked tight.

  • xr500_89

Posted April 25, 2006 - 09:08 PM


well i can do the crank mod myself but id rather not i really dont want to crack the egg anyhow just trying to find like a billet crank but no avail

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  • XR6's_rule

Posted April 26, 2006 - 02:19 AM


Your crank is meant to be blue around where the crankpin goes through. This occures in the factory when the crank was heated and put together. If you're building a hot engine, the carillo rods seem to be the go. Ballards XR's only in Oz used to use them in their hot XR6 engines with good results.

  • creeky

Posted April 26, 2006 - 04:24 AM


I used an HRC crank purchased from XRs Only, (Yeh, i know), for an XR600 engine that I built for a buddy that races flat track. That was two years ago and the engine is holding up just fine.

  • xr500_89

Posted April 26, 2006 - 06:38 AM


well if its supposed to be blue then i dont even know if i'll crack the crank open probably just leave it, but who knows if i have to open it it will be replaced.

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