Wow, 2 lbs? The marine version is 3.8lbs without muffler according to tower hobbies. Is there a typo somewhere? I wouldn't think a water cooling jacket could weigh almost 2 pounds more than an air cooled head.
-Eric
Edit: I'm retarded - Pullstart and included stuffs. lol.
That'd be awesome if it was around the same weight. Keep us informed