Your Sportsman XP 1000 Touring 2017 YM is limited to 82 HP and 60 km/h. The Electronic Control Unit (ECU) MCECUA17SYS953 will allow you to reach 90 HP and a maximum speed of 78 mph (126 km/h) which will allow you to perform during racing events. The 3 mode button will allow a stronger accelaration (in mode "performance" - good for starting the race) or a lighter accelaration (usefull in Trial situation - duo riding or renting activity)