Hey kdx250 1991 SR model kx250

Discussion specific to KDX models not sold in the USA
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Stevetooms
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Hey kdx250 1991 SR model kx250

Post by Stevetooms »

Does anyone know if a kx250 carb and piston kit will work and fit into my kdx250 1991 SR model thanks
kdxsully
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Re: Hey kdx250 1991 SR model kx250

Post by kdxsully »

No idea. Are the part numbers the same? Check partzilla for the part numbers of each respective bike. You might need the carb boots as well
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KDXGarage
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Re: Hey kdx250 1991 SR model kx250

Post by KDXGarage »

Please do not post the same or very similarly worded question in multiple subforums.

Sorry that you have not received more help for your unique model.
Thank you for participating on kdxrider.net. :bravo:
To post pictures from a device: viewtopic.php?f=88&t=24128
Stevetooms
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Re: Hey kdx250 1991 SR model kx250

Post by Stevetooms »

Hey thanks for your help
Dan 250sr
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Re: Hey kdx250 1991 SR model kx250

Post by Dan 250sr »

Change inlet manifold to 38 and a kx carb will work.. kx 250/ 500 inlet manifold are 38 ... your con rod small end is a different size to a kx . One is 18 mm bearing and the other is a 19 mm bearing... also kx wrist pin is in a different place to kdx piston.. you can fit a kx con rod and a earlier kx barrel 89 /90 . 70 mm stroke/ 91 92 use 72 mm stoke so won't work unless you machine top of barrel. I had my head machined to lower squish gap .
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Re: Hey kdx250 1991 SR model kx250

Post by KDXGarage »

THANK YOU, DAN!!
Thank you for participating on kdxrider.net. :bravo:
To post pictures from a device: viewtopic.php?f=88&t=24128
Dan 250sr
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Re: Hey kdx250 1991 SR model kx250

Post by Dan 250sr »

No worries hope it helps 👍
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