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Porting this cylinder head now, not a huge difference between the R/X layout compared to the YFZ. This is stock compared to ported:
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YFZR450R/X cylinder head porting
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3hp and up depending on port, valve size and parts used in conjunction with the build.
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do you think it would be a good idea to just do a port and polish if im not planning to do any other engin work?
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Sure.
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coming from my car background, does anybody ever extrude hone thier atv heads?
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Does anyone Extrude Hone car heads?
I like the idea and do think that on most manifolds its probably the best way to port but Ive never seen anyone use em for heads.
I like the idea and do think that on most manifolds its probably the best way to port but Ive never seen anyone use em for heads.
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