Zxi 900 motor swap to an x2

Considering buying a Kawasaki zxi 900cc triple cylinder motor to put in my stock Kawasaki x2. Wondering if it will fit with the stock parts and if not what would have to be done in order to make it fit.
 
Kinda off topic but have you ever swapped a 701 in one before? I didn't think the stock 650 pump would work that great with a triple in it
 
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