As X-2 is now a somewhat old game, it may be a bit hard to find, but i'd recommed checking gamestop or any local gamestore. Then again, you've got the sure-fire eBay or amazon.
to get to the guado you have to hop on a shoopuff and cross the moonflow to the north wharf then go left of the shoopuff you rode on then keep heading straight then right along the bridge and keep...