This comprehensive service and repair manual is specifically designed for the 2012 Polaris Sportsman 400 and 500 H.O. models. Originally created for Polaris dealership mechanics, this manual provides you with detailed, step-by-step instructions, clear images, exploded view illustrations, schematics, and specifications. This information will empower you to confidently work on your ATV, from routine maintenance to more complex repairs. The manual covers a wide range of topics, including: * **General Information:** Providing you with essential information about your ATV, including safety precautions, specifications, and operating procedures. * **Maintenance:** Learn how to perform regular maintenance tasks, such as oil changes, filter replacements, and adjustments, ensuring your ATV runs smoothly and reliably. * **Engine:** Delve into the workings of your ATV's engine, covering topics like troubleshooting, repair procedures, and component replacement. * **Fuel System:** Understand the fuel system components and learn how to diagnose and resolve fuel-related issues. * **Body / Steering / Suspension:** This section provides guidance on working with the ATV's body, steering system, and suspension components. * **CVT / Transmission:** Get detailed information on the continuously variable transmission (CVT) and its components, covering maintenance, troubleshooting, and repair procedures. * **Final Drive:** Learn about the final drive system, including the drive shaft, axles, and differential, and how to address any issues. * **Brakes:** Gain knowledge about the different brake systems, their components, and how to maintain and repair them. * **Electrical:** Understand the electrical system of your ATV, including the wiring diagram, troubleshooting tips, and component replacement instructions. * **Wire Diagram:** A detailed wiring diagram is included, providing a visual map of the electrical system, aiding in diagnosis and repair. With this manual, you'll have the knowledge and resources to keep your 2012 Polaris Sportsman 400 or 500 H.O. in top condition, whether you are a seasoned mechanic or a DIY enthusiast.

## The Polaris Sportsman 400 & 500 HO: A Versatile ATV for Work and Recreation The 2012 Polaris Sportsman 400 and 500 HO are powerful and reliable all-terrain vehicles (ATVs) designed for both work and recreational use. The Sportsman 400, powered by a 399cc liquid-cooled, four-stroke engine, offers a balance of power and fuel efficiency, making it suitable for various tasks like hauling supplies, trail riding, and light-duty farm work. The Sportsman 500 HO steps up the game with a larger 499cc liquid-cooled, four-stroke engine, providing more power for heavier loads and more demanding terrain. Both models feature an automatic transmission with a selectable 4-wheel drive system, ensuring smooth transitions and optimal traction on varying surfaces. Beyond their robust engines and transmissions, the 2012 Sportsman 400 and 500 HO are equipped with a host of features designed for comfort and control. Wide, comfortable seats offer ample room for the rider, while adjustable handlebars allow for personalized ergonomics. The independent front and rear suspension, coupled with high-ground clearance, ensures a smooth ride over rough terrain. Additionally, the Sportsman 400 and 500 HO come standard with a front rack capable of carrying up to 100 pounds and a rear rack with a 150-pound capacity, making them ideal for hauling cargo. The availability of optional accessories like winches, plows, and various cargo boxes further enhances their versatility and adaptability to a wide range of applications.