This motor is a fully built yamaha R-6 (Race Ready ) Motor has recently been bored, port, polished, lightened bottom end, all new pistons, gaskets, new modified head work, clutch, and has been dyno by Rick Odom. Motor also comes with Odom fuel injection, 2 K&N Air filters, 2 S&S Exhaust systems one is brand new and never used. FTZ wiring harness. This is a very powerful motor and only has 6 races on it since rebuild. Asking $4500 obo for everything, I have over $8000 in motor. For pics or questions email Tyson24t@hotmail.com or call 618-889-3412 and ask for Tyson. I have references to back motor if needed. Located in Marion, IL about 1mi from Southern Illinois Raceway.