I know there have been may posts on this topic - but I'm going ahead anyway!!
I removed all these parts from the bike and weighed them:
.......................:grams pounds cost
AIS System .......524g 1.16 $20
EXUP controller ..500g 1.10 free
Tool Box .....645g 1.42 free
Charcoal canister 632g 1.39 free
side stand checker 107g 0.24 free
stock sprocket .....851g 1.88 $65 light weight Rethnal
helmet lock .........159g 0.35 free
plastic engine protection 93g 0.21 free
stock mirrors ......633g 1.40 free
passanger pegs ..755g 1.66 free
airbox flapper .....258g 0.57 free
stock tail (excluding tail light) 737g 1.62 free
FMF exhauts + programmer 4.5lb around $800
lithuim battery 3.1lb $160
20.59 Pounds Total
I've added a 3 Lb bash plate and hand guards, but not counting the hand guards as I also switch the stock steal bars for light weight Renthal bar so weight is about the same.
Thanks to the help of http://www.wrrdualsport.com/ on the how-to's