Suitability of 2005 kx125 for kdx200 E2 hybird question

Discussion for swapping a KDX motor in a MX frame...
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gertie6car
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Suitability of 2005 kx125 for kdx200 E2 hybird question

Post by gertie6car »

Hi ,

I am hoping someone can give me some advice on the suitability of creating a hybrid from a kdx200 e2 and a 2005 kx125. I see there are a number using earlier kx donors - are there any issues with using the 2005 model?

Thanks in advance

Gert
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Tedh98
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Post by Tedh98 »

'04 and '05 should be the same. I'm working on my 2nd '04 hybrid.

'03 is very similar to '04-'05, but the rear suspension is a little different.

The only downside I've found with using the most recent models is that parts aren't as easy or cheap to find as prior years.
dfeckel
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Post by dfeckel »

I'm in the middle of a 2003 KX/1990 KDX build (E series engine).

The only real hiccup so far has been pipe fitment. You will need to modify a 95-up pipe to fit the E-series motor. The KIPS actuator arm on the right side of the cylinder protrudes much further on the E-series engines, and it interferes with the "low-boy" style pipe that you need for the late-model KX chassis. On the advice of well-informed sources, I got out the Big Frakking Hammer and put a big ol' dent in my shiny, new Pro Circuit pipe.

From what I understand, a PC pipe might bolt on perfectly with an H-series engine. That's what I was hoping for, but the E-series was just different enough that it wouldn't fit without a healty massage.
David Eckel
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