YZ250f-KDX Hybrid

Discussion for swapping a KDX motor in a MX frame...
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Gixxer340
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YZ250f-KDX Hybrid

Post by Gixxer340 » 08:53 am Sep 01 2019

Has anyone ever tried a YZ250f-KDX hybrid? I have a 2006 YZ250f with a bad motor (bottom end Shredded) and was trying to figure out what to do with the chassis. The bike is in really good condition, other than the engine, and I love my KDX. Got me to thinking, could I shoehorn a KDX motor into the YZ frame? Seems like it would be a great combination.

Anyway, if anyone has tried this, and either succeeded or failed, please let me know.

Thanks
Jeff
- 2001 KDX200 - KX front forks, RB head and carb mods, Gnarly pipe

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kdxsully
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Re: YZ250f-KDX Hybrid

Post by kdxsully » 01:31 pm Sep 01 2019

Gixxer340 wrote:
08:53 am Sep 01 2019
Has anyone ever tried a YZ250f-KDX hybrid? I have a 2006 YZ250f with a bad motor (bottom end Shredded) and was trying to figure out what to do with the chassis. The bike is in really good condition, other than the engine, and I love my KDX. Got me to thinking, could I shoehorn a KDX motor into the YZ frame? Seems like it would be a great combination.

Anyway, if anyone has tried this, and either succeeded or failed, please let me know.

Thanks
Jeff
It’s probable if you can weld.
I like turtles

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bufftester
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Re: YZ250f-KDX Hybrid

Post by bufftester » 06:06 pm Sep 04 2019

Could be done, but will require lots of welding/fabrication as the cradle on the YZF splits too low to fit the KDX pipe. It has been done with a RMZ frame I believe, search the hybrid forum for RMZ, KXF to see.

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SS109
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Re: YZ250f-KDX Hybrid

Post by SS109 » 07:02 pm Sep 04 2019

Yes, it can be done. Plenty of welding will be required.
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