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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
phathead
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[QUOTE="elf, post: 708582, member: 43050"] I have a phathead on my 2000 yz125. I first put on a pc pipe and gained a little mid and top and lost a little low end. I was running race gas already so on a whim I bought a phathead. The difference was unbelevable. The motor gained power everywhere.This bike is just as fast as my ktm 144. as far as running race gas it depends on which dome you put in the head.I would recomend 100% in most of the higher compression domes. These heads also have bigger passages for water so your bike runs cooler plus you get 2 domes so you can use one with pump gas. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
phathead
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