2015 Polaris RZR 170, 2015 POLARIS® RZR® 170 VOODOO BLUEFeatures May IncludeElectronic Fuel Injected (EFI) 169cc engineEFI for consistent starting, improved idle quality, and a crisp linear throttle response.Parent Adjustable Speed LimitingEasily select from a 15 MPH restricted mode, or unrestricted 29 MPH based on rider skill level. EFI provides more accurate speed control in all operating conditions when compared to a mechanical throttle limiter