2005 was the first year for fuel injection on the Suzuki C90. The redesign of the electrical system has proven to come up short. The Rick’s high output stator helps overcome the shortfall in power generation with heavier winding and higher volts. There is also a non shunted regulator / rectifier available and a stronger battery available to end your non starting wohs. You may also want to check out the wiring system modification to improve charging at bullyriders.com. The crankcase gasket is sold separately (search part 125307).