help needed. gilera dna engine swap

hi guys,

i have been a lurker for awhile but cant seem to get a definate answer from my research.

my mum has a dna 50cc 2003 hiper1 engine i believe, non catalytic converter. will this engine below off a 2010 runner be a straight swap? i know the back wheel will need to be changed for a dna one, but could we just put a non cat exhaust on or block the one that comes with the engine off?

thanks.. heres the link to the engine in question

http://www.ebay.co.uk/itm/Gilera-ru...530880?hash=item25b3ee54c0:g:pgwAAOSwo3pWgxzJ

 

another thing im unsure about is weather the brake discs will line up with the calliper after the dna 14inch wheel is fitted instead of the runners 13inch. i believe they are both 200mm????

 

pretty much straight swap i beleive. better with a 13inch wheel at the back from a geometry point of view, i mean it comes fitted to the engine and everything....