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cammo69

YZ450F 04' Air Filter box Melted

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Hey guys, my 04 model YZ450F AIR FILTER BOX has all of a sudden started to melt on exhaust and is now starting to smoke, think it may catch fire soon. Needless to say i wont be riding ths weekend until i get a new box.

Question is has this happened to any body else or does any body know why this may have happened. i have an after market fmf power bomb pipe on and is does get verry hot.

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I've never heard of that but im sure it's happened to other people as well. Try using some heat reflective tape on your new airbox. Most hardware stores have it.

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I wouldnt cheap out on the heat reflective tape. The good stuff feels like real aluminum foil that is sticky on one side. The crappy stuff basically looks/feels like shiney tape.

Is the exhaust or airbox bent out of place?

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doesnt look like it. I havent dropped it and it just started to melt. i have taken the box out and it looks like it has been melting for awhile, but now it touching the exhaust. i have seen a few other posts of this model bike doing the same thing with after market pipes. cause they are a little fatter then normal i think this might have something to do with it. once i get new box i will definately try the tape a few other sites have suggested the same thing.

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