I know someone said they got a small screwdriver somewhere to adjust their air screws, but how in the heck can you really count the turns? I took my carbs off to adjust mine, my plug is a bit rich and I have to crank the idle up high and then it idles down slowly, I think I need to adjust the air screws BUT WHICH WAY???

 

DSEater...turn the screws in all the way until they lightly bottom. LH mixture screw 2.5 turns out, RH screw 3 turns out. You don't have to take the carbs off to do this, if you have a little patience. I have the same pipe you do, and it works perfect. Hope this helps you.