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etlion44 etlion44
9/10/2017 10:37 PM

Howdy all,
Just picked up a fried 08 KX250F. Lower end is good I'm told, head is torched, as well as piston. Cylinder is also pretty scored up. So complete Top end is the plan, my question is this. A friend has a an 06 RM-Z Cylinder with a JE Big Bore 80mm piston, is this compatible with my KX? Also, I'm looking for a head for the bike, but moreso on a budget build. Should I stick with finding an 08, or will anything between 04-08 Kawi/04-06 Suzuki suffice? Any insight is greatly appreciated.

Thanks
ET

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Paw Paw Paw Paw
9/11/2017 6:45 AM

No it will not fit.

Paw Paw

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tmauto769 tmauto769
9/11/2017 4:33 PM

yes it will fit. the RMZ250 04-06 and the kx250f 04-08 was the same motor.

http://www.cylinder-works.com/ProductSearch.aspx?page=1

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Paw Paw Paw Paw
9/11/2017 6:59 PM

Partially correct, but...
RMZ 250 & KX250F were the same from 04- 06, but not after that.

Paw Paw

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Paw Paw Paw Paw
9/11/2017 7:02 PM

Only partially correct...The 04-06 RMZ250 and KX250F were the same, but not after that. Now some of the KX250F parts will change over through 2008, but not the cylinder and head.

Paw Paw

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BobPA BobPA
9/11/2017 7:45 PM
Paw Paw wrote:

Only partially ...more

Partially correct haha. 04-05 KX250F are the same as 04-06 RMZ250. Kawasaki went with an aluminum frame and various engine updates in 2006.

Tomac and/or Anderson for 2020.....

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tmauto769 tmauto769
9/16/2017 7:05 AM

Says on cylinder works site that Part #: 31001-K01 fits ALL of them 04-08 kxf or rmz.
I had a few of those bikes back in the day both of them with the cylinder works big bores.
I don't remember there being a difference in the cylinders then. Although, I have slept since then so who knows.
One of the things I do remember being different was the water pump.

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