78bhp - Post86bhp - Pre
my 08 750 pushes 130 hp... the 600 pushes around 100
yes, it has a bank of four, fuel injection appeared on year 2000 on models.
according to the manufacturers specifications, which i found in the haynes manual, '142 hp' standard.
Suzuki gsxr 750 cc 2009 edition has 127.5 hp