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Author Topic: pipe for an AF swap  (Read 1900 times)

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Offline jrkawiracer

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pipe for an AF swap
« on: February 02, 2011, 03:18:45 PM »
im building an aluminum framed kx 250, my ?? is what year pipe fits in the 04 kx 250 motor, im wondering if i can get a pipe of a 05-07 bike because i have to make mounts anyway. the motor im using a 04 motor
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Offline sandblaster

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Re: pipe for an AF swap
« Reply #1 on: February 02, 2011, 04:02:54 PM »
According to Kawasaki and Pro Circuit only 04 works with 04.
However, I have never tried to put any other pipes on one so I don't know what the real differences are.
Anyone else ever tried?
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The four stroke engine: That's one stroke for producing power and three for wearing the engine out.

Offline stevea100m

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Re: pipe for an AF swap
« Reply #2 on: February 02, 2011, 04:05:01 PM »
no you cant as the 04 and 03 kx 250 pipe slides into the cylinder where as the 05-07 slip over the cylinder flange
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Offline Philthy Phil

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Re: pipe for an AF swap
« Reply #3 on: September 28, 2011, 08:52:17 PM »
awesome i have an 04 too that i am wanting to do an AF conversion on too, post some pics of the bike in its different stages.  :-)
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Offline The Flyin Hawaiian

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Re: pipe for an AF swap
« Reply #4 on: September 28, 2011, 11:54:42 PM »
The 03 and 04 pipes will work on either bike. The difference between the 2 is that they changed the mounts on the pipe. The 04 has a mount on the top right side of the pipe where as the 03 has the mount by the stinger end of the pipe. Since you are putting it in a af frame and have to fab up mounts, it really wouldnt make a difference what year pipe you use. 05-07 is the slip over flange. Silencers are interchangeable from 03-07 also.
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A couple of 03 and 04 KXs, a few YZs, 3 PE 400s, a DR and a TS.
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