djac2163 Registered Sep 24, 2008 #1 Hi busa family.......What can cause my baby to start back firing ? Thx
luccaRSA Registered Sep 25, 2008 #2 which gear, what rpm? you could be running too rich, after market pipe.
dewie Registered Sep 25, 2008 #3 if it's back firing on decell do the marble mod.. ya for the marble mod
Aquaman Banned Permanently By MC Mustang Sep 25, 2008 #4 Yes, or block of plates/ pair valve removal.
BA BUSA MotoGP Wannabe Donating Member Registered Sep 25, 2008 #5 It could be a exhaust leak, or your too lean. Do the pair block off or the marble mod. Try the search function
It could be a exhaust leak, or your too lean. Do the pair block off or the marble mod. Try the search function
