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will a fcr-39 from a 2006 ktm 525 fit?

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The answer is yes , but that depends on the 525 year ... i think till '06 but not sure . If you got a pic...

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No !!!! That's not with the removable air bell . It also has the cast tower for the cables . Some people did fit these "wrong" fcrs to their drz but i would wait till find the wright one .

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I fitted exactly that one to my dr-z.

The good new is: it can be done.

The bad news is: it takes a lot of effort to get it done correctly.

You need to make a custom airboot-carb connector, preferrably with a funnelshape. Had 2 parts machined: a plastic tube & an aluminum inset inside the tube that i "funneled" by hand.

Some do it without the funnel.

Eddie S. (jetting/drz guru) says you will not get your jetting correct without it, and in my experience he's right.

For the carb-head connection you can use the suzuki part for the E carb (nr?).

Also you need to get an EMR needle, and some jets. Do get a small range aroud the recommended ones so you can try/experiment.

Like many fcr's the o-ring mod will help to get rid of a design flaw in the Accel. pump (or the APS spring)

O, and block the copperish-colored air intake to the right at the airfilterside.

KTM sells a blockoff screw, i used a piece of tubing with a big ole screw in it.

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