I have an 07 and just put the progressive front springs in my forks and also bought a set of dog bones to raise the rear an inch. Believe it or not I outweigh you, and these additions have made all the difference in how the bike handles and rides. I bought the springs from klr650.com, they had the best price of any I have been able to find. I got the dog bones off of Ebay. To do both took me all of one hour. To replace the springs, raise the bike up off the ground using a lift or center stand if your bike has one. Then loosen up the upper triple tree clamps on both sides, then remove the spring caps, being careful as there is a slight amount of pressure on them from the spring, but nothing real bad. Remove the metal spacer, then take an adjustable mechanics magnet and remove the spring washer sitting on top of the spring, then using the same magnet, remove the spring. Use a towel or sheet and cover your tank, to keep from getting it scratched and fluid dripping on it. Now install the new springs according to the instructions, then replace the spring washer, making sure it goes in the same way it came out, magnet helps here again, then install the new spacers that came with the springs, or do as I did and cut 'one' of your originals in two, and grind them down so that they are about 1/2 inch longer than the new spacers, this gives us big guys a lil more compression on the springs, stiffening the front just that little bit more. Replace the caps, "don't cross thread them". Retighten the triple tree clamps, 'don't over tighten, just real good and snug. As for the dog bones, the bike is still raised, the rear tire off of the ground, remove the two bolts that hold the bones, I use an electric impact on the nuts and they come right off, slightly raise the rear tire with a board or crow bar to remove pressure on bolts, allowing them to slide out, at this point it would be prudent to remove the bearing sleeves one for the upper and one for the lower and grease the needle bearings real good, factory barely puts any grease in there. Slide the sleeves back in, then bolts thru the new bones, you will have to raise the tire a lil bit more to get the bolts to align up with the holes. Tighten nuts, lower bike and test ride it and enjoy the feel of a much firmer suspension. I keep my rear spring setting on 3 and the rebound on 2. We just did this exact thing to my buddies 05 this afternoon. The difference in the bike was significant. Hope this helps.
Here is link for some dog bones: