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Pw 80 exhaust restrictor removal

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Hello im just wondering a few things about removing the exhaust restrictor in my sons older pw80. The bike is basically stock and im looking for a few ways to add a little more power without spending much money. Ive read all over about the exhaust restrictor and im about to dig into it and remove it. I was just wondering what other steps should be taken after i remove it? Will the jetting (125) still be ok? The bike runs great right now but i just want to research it a little more before i start it. Any input would be great! Thanks

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There is no "part" to remove. The restriction is a HUGE gob of weld. Fairly quick work with a die grinder. I ended up lowering the needle one clip. Left the brass alone. Bottom end right off of idle maybe slightly weaker but mid up is vastly better.

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