Just doing some maintenance on the 87 600R I recently bought. I noticed it was leaking some fuel out of the secondary carb so I replaced the float needle. As soon as I did, the bike seemed to be running really lean (major popping on deceleration). The 'Trapp has 20 discs on it. I wonder if the previous owner was trying to "fix" a rich condition by adding more discs, but I really don't know that much about how a trapp exhaust is supposed to work. The airbox also had several holes bored into it which I have covered with foil tape. Not sure if the carbs have been re-jetted, but I intend to put them back to stock if it has been messed with. Since I really don't need any more performance over stock, I was wondering how many discs I should be running? Will a Supertrapp pipe perform well with stock jetting? Thanks for your help.