polaris 400 jug on my 250r

[Hondaboy007]

can someone tell me how and who i can have put a 400cc jug on my 250r, and if it's worth it...........what are the pro's and con's to doing it........this might be the best way to spank banshee's.........please give me all the info u can thanks...............

[250R-Dee]

Polonda article on ATVSource (http://www.atvsource.com/articles/product_reviews/2001/112601_mpracing_polanda_engine.htm).

Polonda search on ATVRiders (http://www.exriders.com/vbb/search.php?s=&action=showresults&searchid=1353140&sortby=lastpost&sortorder=descending).