yz426 cr450 motor for my 400ex!

[Sporttrax400ex]

i am looking for a motor for my ex and i wann put a bike motor in it. if anyone has one or knows where there is one for sale let me know.

thanx

[jhs]

I have a 2001 yz426 motor complete with carb electronics, kicker and headpipe with all cables email me if interrested i have pics
schwerman38@charter.net

[smooth]

i have a 2003 crf450 ftz racing motor complete it was bought new in march of 2003 and put in my quad and race 12 times and was just freshened e-mail me precisionracing@pa.net

[Jeff Marcucci]

I have an 02 CRF450 motor with carb,electronics and header for$2800.00 plus 45 for shipping