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REVELATION:
I ran that bigger dome head for 2-3 years and I didn't even realize it
ebay title: "1993 YZ250 cylinder head with good dome"
^^ this pic was from 2017 when I had the motor rebuilt
I had no idea when I took that pic they were different
so yeah...you guys are right.
just send it
but now I'm very curious if this head + woods port would have been a good combo.
weird thing is I feel like the higher compression heads have a wee bit more low end