I am pretty sure that (If I remember correctly) that my '05 would go about 200+ miles before hitting reserve when it was new.
Of course I was going easy on the throttle on acceleration, and never drove at sustained speeds past 1/3 open throttle for the first 1,000 miles. Basically I gently worked the motor all through the gears and different
RPMs under slight load. Avoiding any thing that would excessively heat-up the engine. Choke used no more than absolutely necessary to avoid washing down the cyl walls of oil. But engine ALWAYS allowed to warm-up to toasty temp before take-off. After 2,000 miles the mileage really increased gradually as engine began to "loosen-up." ...More power too.
The other thing I noticed is that I got way better mileage when I went on trips to SE Alberta where altitude got lower and air denser. Around home here we are over 4,000ft above sealevel, air is thinner and bike ran little richer.
Did stage 3 on stock exhaust without touching
carb at all and bike gets really good mileage now, doesn't smoke black at anytime. This made it breathe better resulting in much leaner mixtures at my higher altitudes.
Make sure you talk to someone like Doc Shadow on recommendations before you do anything to you exhaust though! There's no going back once mods are made!
(Your bike should not smoke black when idling with choke off, or when riding. And your oil shouldn't get real black or get raw gas in oil etc.)
I would not worry about fuel economy being real good until 2,000 miles or more.
Hope this helps...
Favoured: 0
Boy, that engine must be tight yet! 
