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Re: 04 TTR90 Will rejetting be necessary............

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someone was asking a similar question in the TTR90 performance mods post at the top. I think the consensious was to go to a 95 main. Install a Twin air air filter while you are at it. Remove the snorkle and pop a few holes in the airbox to let it breath better (install them filtered vents also.

Check that post at the top though. Lots of good stuff in there.

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My son had a 04 90.(he just went to a ttr125) We put the FMF Pcore4 cut a few holes in the box, put a uni filter and it ran like a bad a$$. You could see a change. Never touched the carb. Then again maybe it would of even been better ???

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Thanks guys....

Will I have to put some holes in the airbox? I have already removed the snorkel. I would rather not have to rejet it if I don't have to...

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