Rk tech cylinder heads

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12/11/2018 4:11 PM

Has anyone used one? Considering buying one for my yz250


12/11/2018 5:25 PM

Go to ktm talk or ThumperTalk for info, like a bees nest over there discussing his head


12/11/2018 7:23 PM

I have one and like it, but.... Kels can be a bit much at times.


vomiting equals disqualification.

12/12/2018 2:48 PM

Just get a yz 250 head with corrected squish and dome.


12/12/2018 4:05 PM
Edited Date/Time: 12/12/2018 4:06 PM

I got the head on my TX300 done by him, seems to run great so far. I also installed a 1.25mm base gasket with this head so that is why it looks like so much has been taken off.



21.5 350 XC-F
96' XR600r

12/12/2018 7:37 PM

I have one on my 300 and the difference was very noticeable.