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antfizzle

loose header after ride

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I have an 09 yz 450, and after every ride, I clean my bike and notice the header pipe is loose at the flange, I have torqued the nut and Allen bolt to spec everytime, but it always comes loose? Any ideas, rhank

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yep your going to have to use loctite , you wont need the red stuff, just the blue

my 450 and 426 seem fine with out it, but i had my snowmobile that the whole Y pipe fell off,! rattled all 8 bolts out, but some loctite and it was good after that and still is

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