Kx250

graeme8989
Would a kx250 02 complete engine fit onto a 2005 bike and frame?
2 stroke
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graeme8989 6/13/2020 5:02am
6/13/2020 5:02am
Thank, I want a straight swap
Will an 05 be the only option or do you know if any other years would be a direct fit?
Cheers
MZ193
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MZ193 6/13/2020 11:25am
6/13/2020 11:25am
graeme8989 wrote:
Thank, I want a straight swap Will an 05 be the only option or do you know if any other years would be a direct fit...
Thank, I want a straight swap
Will an 05 be the only option or do you know if any other years would be a direct fit?
Cheers
I think a 01 would directly fit.
graeme8989 6/13/2020 4:21pm
6/13/2020 4:21pm
graeme8989 wrote:
Thank, I want a straight swap Will an 05 be the only option or do you know if any other years would be a direct fit...
Thank, I want a straight swap
Will an 05 be the only option or do you know if any other years would be a direct fit?
Cheers
MZ193 wrote:
I think a 01 would directly fit.
How sure would you be?
Why would an 02 not fit but a year older would?
It's hard to find an 05 anyehere

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RGaede
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RGaede 6/13/2020 7:49pm
6/13/2020 7:49pm Edited Date/Time 6/13/2020 7:49pm
Kawasaki went to a new frame and engine in 05. They changed some things internally with the engine in 06, but i believe the cases are the same (double check with part numbers). Based on that i would think 05-07 would bolt in.
scott_nz
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scott_nz 6/13/2020 10:22pm
6/13/2020 10:22pm
RGaede wrote:
Kawasaki went to a new frame and engine in 05. They changed some things internally with the engine in 06, but i believe the cases are...
Kawasaki went to a new frame and engine in 05. They changed some things internally with the engine in 06, but i believe the cases are the same (double check with part numbers). Based on that i would think 05-07 would bolt in.
05 to 08 are basically the same. (they sold the 08 in the rest of the world, not the USA)
RGaede
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RGaede 6/13/2020 11:08pm
6/13/2020 11:08pm Edited Date/Time 6/14/2020 6:18am
RGaede wrote:
Kawasaki went to a new frame and engine in 05. They changed some things internally with the engine in 06, but i believe the cases are...
Kawasaki went to a new frame and engine in 05. They changed some things internally with the engine in 06, but i believe the cases are the same (double check with part numbers). Based on that i would think 05-07 would bolt in.
scott_nz wrote:
05 to 08 are basically the same. (they sold the 08 in the rest of the world, not the USA)
True, I'm on mobile so i can't see where anyone is located. I do know the cranks are different on the 06 and up, but i think that's the only major change.

Another reason i don't think the older motor will work, even if the mount holes line up, is Kawasaki changed how the exhaust mates the cylinder for the 05 and up. On the 05 up the exhaust goes over a flange, prior years fits into the cylinder.
pj136
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pj136 6/15/2020 11:39am
6/15/2020 11:39am
05 to 08 are all the same bike apart from half of the crank shaft on the engine. The 06-08 has a lock pin and nut on the bottom of the shock unlike the 05 which it a nut and bolt. The 08 is the same bike as 06-07 apart from the front forks dont have the groove to fit the fork guide sliders.

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