Quote:
Originally Posted by Ariel Red Hunter
Have you got links to your description of the ports? Somehow I missed them, and I would like to see them.
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http://chinariders.net/showthread.php?t=19200
Not the greatest pictures, and I can't show the area around the valves to well until I decide to disassemble it more, but believe me... these ports leave a lot to be desired. The exhaust port is especially terrible. The reduction in cross section at the valve guides is pretty bad and can easily be cleaned up.
Just to toss in my own head porting experience. A better flowing head on a weaker cam profile will always make more, and better power, than a poor head with a radical cam as long as intake velocity is maintained.