2009-2025 YAMAHA YFZ450R (ATV) VORTEX + HANDLEBAR MAP SWITCH Plug and play, no modifications required! Easy on demand horsepower and most important... its reliable! 10 Map options for all various levels of modifications to your machine, please ask us questions if you have them! Performance Fuel & Ignition maps - all the work is done for you! Instant Plug in Performance (replaces standard box with no mods to wiring required) Trim Switches adjust fuel mapping by +12.5% to -10% in Lo, Mid and Hi throttle Region Adjustments require only a screwdriver and integrated switches provide visual feedback. Simple to install with mounting hardware supplied (where required) V-Boost - Programmable Voltage Boost Circuit for maximizing Spark Energy across the entire rev range Higher / Lower Rev Limit (where required) Robust design is fully encapsulated and O-ring sealed