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Make a 125sx 2003 mod to a 200 sx


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Hello

This is my first post to the forum.

I have recently gotten back to MX after 20 years. I have a 2003 mod 125sx and having great fun, but my 43 year old body are a bit heavy and lazy for the 125 powerband...

I was wondering if it would be possible to swap the Crank, cylinder and top from a 200sx into the 125 engine?

Do I have to change the carb and pipe to?

Hope the question arent to stupid 🙂

Cheers

Tore, Alta, Norway

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