Shaving weight,beyond the basic
diet you'd normally do to a street bike sometimes requires great expense and some ingenuity.
By basics I mean:
-remove tool kit(if it's even still on the bike lol)
-remove all reflectors
-mudflap/license plate holder
-bar end weights
-520 chain/aluminum sprocket and bolts
First,how much weight would you like to trim? What's your budget??.... A full titanium exhaust(obviously
)will shed some pounds but may cost more then your bike is worth,if
you can source a used one in good condition.
Wheels are another place to save a few pounds,but those lbs are gonna be expensive. Marvic Piuma,Marchesini magnesium,and BST carbon fiber wheels are the only wheels worth spending money on for a street bike. Again,easily cost more then your bike is worth.
You could also utilize a K5-K8 1000 front end and both wheels. The K5-8 wheels are some of the lightest modern GSXR wheels and Im sure the entire front end would be lighter than yours.
Aftermarket bodywork; I think Air-Tech stuff may be
lighter than OEM..Thats an option
Aftermarket brake components are a good place to shave some weight
You can strip all the unused wiring from your harness,although thats an extreme measure for a street bike.
Believe it or not,tires can add a significant amount of weight,with some tires being several pounds lighter than a comparable tire from a different brand.
Hope this helped a bit but it's early and I just woke up,I may be forgetting a few obvious things..Im sure there will be others to offer up their ideas