help,i run a 2001 gs1150 no cat/remus end can /power commander,the left plug is running sooty/rich the right side is running lean, i just changed the plugs/filled the tank,and added injection cleaner into the tank,done 130miles fast and slow.under 2 1/2 rpm it is very very lumpy still, the air filter is a k/n and is cleaned/oiled, good ht leads etc.any suggestions.thanks.