Cobra FI2000R PowrPro Black Tuner for Yamaha Raider ’08-Up [92-1777B] New Feature! Control with your Smart Phone App! • New patented technology unlike any other auto tune system on the market • Tunes exactly what air-fuel mixture creates the maximum power 80 times per second (does not tune to some arbitrary AFR someone has picked)• Creates that adjustment to maximum power on every squirt of the injector • Tunes every gear, every roll on, every environmental change, every engine mod, lugging the engine, winding it out to redline: it reacts, verifies end adjusts • No dyno needed • No external adjustments needed • Does not require wide band oxygen sensors • No additional components needed • Provides perfect fuel settings in any condition with any exhaust system, with any engine modification