prolly not the engine size (or bike size) your looking for but..........
http://www.hondaheaven.org/Album-NSR4str_racer.html
PS- this isn't my bike, if it was i would have dumped the motor into something a BIT smaller.
Total nut job engine swap
http://www.hondaheaven.org/Album-Drag_gorilla-pic-gori70.html
good for a laugh i spose
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........."I love the smell of 2-stoke in the morning.......Smells like victory"............
MC21 Pentax SP...... TYGA'D