Help from Russia)

Kawasaki KDX 250
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russian
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Help from Russia)

Post by russian » 01:02 am Mar 18 2016

Hello,
i have a kdx250sr, but i'm not sure what is the engine inside. Now i disassemble my engine and see 2 bearings in bottom end, that have no any crank on them. I don't know how to attach a photo here.
It has no oil pump on my engine and 3 power valves in cylinder (like on 250r version). But maybe bottom end of the engine from 250sr and the top from R version?
So my questions: what was the shaft through all the crankcase, that no need now?) And what the engine i have)

Sorry for my bad english.

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Re: Help from Russia)

Post by KDXGarage » 02:42 am Mar 18 2016

engine number?
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Re: Help from Russia)

Post by russian » 03:28 am Mar 18 2016

i don't see any numbers on engine cover

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Re: Help from Russia)

Post by Julien D » 06:13 am Mar 18 2016

If you take photos and upload them somewhere like photobucket or imageshack, then you can link them here.
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Re: Help from Russia)

Post by russian » 10:38 am Mar 18 2016

Thanks,
i download picture on photobucket http://i1055.photobucket.com/albums/s52 ... sxundx.jpg

It's not the photo of my engine, but it's the same. I mark there bearing that have no any shaft inside. And the such bearing on the left side of engine near magneto

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Re: Help from Russia)

Post by Julien D » 11:51 am Mar 18 2016

We will have to have an SR owner chime in. That bearing does not exist on the US model KDX.
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Re: Help from Russia)

Post by russian » 12:08 pm Mar 18 2016

And there is no gear on the top for fuel pump and this window under it on US version, isn't it?

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Re: Help from Russia)

Post by russian » 12:09 pm Mar 18 2016

sorry not fuel - oil pump

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Re: Help from Russia)

Post by Jim B » 04:07 am Mar 20 2016

Have you checked the parts fiche/diagram? Most dealers, at least here in the U.S., have them on their websites.

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Re: Help from Russia)

Post by Julien D » 09:04 am Mar 20 2016

russian wrote:And there is no gear on the top for fuel pump and this window under it on US version, isn't it?
Correct. the US model does not have the cutaway from the case or that top gear for the oil pump.
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Re: Help from Russia)

Post by russian » 10:18 am Mar 20 2016

bThanks for all. I find that i have an engine with 250sr bottom and 250r top. So this bearings are place for electric starter.

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Re: Help from Russia)

Post by Jim B » 11:10 am Mar 20 2016

Good luck with your project. :grin:

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Help from Russia)

Post by Kurt123 » 12:05 pm Feb 13 2018

Hi,

I believe it is a balance shaft for vibration, on my SR the shaft this side of the engine has teeth where your pink arrow is, which mesh together with the primary gear (i think!), on the other side of the shaft it has a weight the other side of the engine near the magneto.

The oil pump is fitted where that circular hole is towards the top left of the photo :grin:

The KDX250 manual doesn't mention these SR differences unfortunately such as the oil pump, balance shaft etc :cry:

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Help from Russia)

Post by Molly's 70 » 02:43 pm Feb 13 2018

My guess was a balance shaft also.
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