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Back fire screen?

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Do any of you remove the back fire screen ? On XR'S and crf's it makes quite a big difference , but I don't see anyone recomending it for the rmz's. If it is not restrictive enough to worry about I will leave it in.

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The back fire screen is the screen mesh that's in the intake track (not the muffler). You can see it when you pull the air filter. As far as I know in stock form all 4 strokes have them, they are there to prevent the air filter from starting on fire if the engine back fires.

There is an air filter out there that's non-flameable and that makes it possible to remove the bike fire screen, but only remove it if you have that set up! If you have a regular filter and it back fires, without the screen you could be sitting on a bon-fire within a few seconds.

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well that didn't tell me anything I didn't allready know. Has anyone removed thiers , and what differance did it make. Any power increase ? Did you have to re jet ?

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I did it this fall when the weather got cooler, and it made a good enough difference that I had to go up on the pilot jet from #42 to a #45 . Im not sure about the warmer weather with the thinner air. Ive read alot about this in old posts and most people dont see a difference on the rmz. Hope this helped

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No performance to be had...It gains like a quarter horsepower but is a lot more risky...I assure you you will NOT feel a difference...leave it in....

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Makes the bike breath alot better defientley worth it, just go buy a 2 stroke 250 one and its exactly the same without the screen, worked well in my yamaha and suzuki 250fs

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