Polaris Sportsman 800 EFI Owner's Manual

Pages 119

Year 2004

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of 119

Polaris Sportsman 800 EFI Specification

The Polaris Sportsman 800 EFI is a robust all-terrain vehicle (ATV) engineered for both recreational use and heavy-duty tasks. It features a powerful 760cc, liquid-cooled, twin-cylinder engine equipped with Electronic Fuel Injection (EFI), which ensures optimal performance and fuel efficiency across various terrains and weather conditions. The Sportsman 800 EFI comes with an automatic Polaris Variable Transmission (PVT) that includes High, Low, Neutral, Reverse, and Park gears, providing seamless power delivery and ease of operation.

The ATV's suspension system is designed for superior handling and comfort, featuring MacPherson struts with 8.2 inches of travel in the front and an independent rear suspension with dual A-arms that offer 9.5 inches of travel. This setup enables the Sportsman 800 EFI to navigate rough terrain effortlessly while maintaining stability and rider comfort. The braking system includes hydraulic disc brakes on both the front and rear wheels, ensuring reliable stopping power.

The Sportsman 800 EFI is built on a sturdy steel frame that provides durability and support for its 1,225-pound towing capacity and 270-pound combined front and rear rack capacity. The ATV also includes a Lock & Ride cargo system, allowing for quick and secure attachment of accessories and gear. For enhanced usability, it features a digital instrument cluster displaying speed, fuel level, and other critical information.

Designed with rider convenience in mind, the Polaris Sportsman 800 EFI has an ergonomic seat and handlebar positioning, as well as an all-wheel-drive system that can be engaged on-the-fly for increased traction. With its blend of power, versatility, and comfort, the Sportsman 800 EFI stands out as a reliable choice for various outdoor activities and work-related tasks.

Polaris Sportsman 800 EFI F.A.Q.

How do I perform an oil change on my Polaris Sportsman 800 EFI?

To perform an oil change on your Polaris Sportsman 800 EFI, ensure the engine is warm, then place an oil pan under the engine. Remove the drain plug and allow the oil to fully drain. Replace the drain plug and remove the oil filter. Install a new filter, then refill the engine with the recommended oil. Check the oil level and add more if necessary.

What is the procedure for cleaning the air filter on a Polaris Sportsman 800 EFI?

To clean the air filter, first, remove the seat and the air filter cover. Take out the air filter and inspect it for damage. If it’s just dirty, wash it with a mild soap solution, rinse it thoroughly, and let it dry completely. Re-oil the filter lightly and reinstall it, making sure the filter is properly seated before replacing the cover and seat.

My Polaris Sportsman 800 EFI won't start. What should I check first?

If your Sportsman 800 EFI won't start, check the battery connections and charge, ensure there is enough fuel, check the spark plug for fouling and replace if necessary, and make sure the kill switch is in the 'run' position. If these steps don’t resolve the issue, further mechanical inspection may be needed.

How can I troubleshoot overheating issues on my Polaris Sportsman 800 EFI?

To troubleshoot overheating, first, check the coolant level and refill if necessary. Inspect the radiator for clogs or debris, and clean it if needed. Ensure the fan is operational and the thermostat is functioning correctly. If the problem persists, consider checking the water pump for faults.

What maintenance is required for the braking system on a Polaris Sportsman 800 EFI?

Regularly inspect the brake pads for wear and replace them if they are thin. Check the brake fluid level and top it off with DOT 4 brake fluid if needed. Inspect brake lines for leaks or damage and test the brakes for proper function. Adjust the brakes as necessary to ensure optimal performance.

How can I improve the fuel efficiency of my Polaris Sportsman 800 EFI?

To improve fuel efficiency, ensure your ATV is properly maintained, including regular oil changes, air filter cleaning, and spark plug checks. Avoid carrying unnecessary weight and maintain proper tire pressure. Additionally, adopt smooth throttle usage and avoid aggressive riding styles.

What are common electrical issues with the Polaris Sportsman 800 EFI and how can they be resolved?

Common electrical issues include battery drainage, faulty wiring, and blown fuses. Check the battery connections for corrosion, inspect wiring for damage, and replace any blown fuses. If the issue persists, consider inspecting the stator and rectifier.

How do I adjust the suspension on my Polaris Sportsman 800 EFI for a smoother ride?

To adjust the suspension, locate the preload adjuster on the shocks. Use a spanner wrench to increase preload for a firmer ride or decrease it for a softer ride. Test ride and adjust incrementally until you achieve the desired suspension feel.

What should I do if the Polaris Sportsman 800 EFI is backfiring?

If your ATV is backfiring, check the air filter for clogs, inspect the spark plug for fouling, and ensure the fuel is fresh. Also, verify that the exhaust system is intact and there are no leaks. Adjusting the fuel mixture might also help resolve the issue.

How do I check and maintain the drive belt on a Polaris Sportsman 800 EFI?

To check the drive belt, remove the belt cover and inspect the belt for wear, cracks, or fraying. Replace the belt if necessary. Ensure the belt is properly aligned and tensioned. Regular inspections and proper maintenance will prolong the belt's lifespan.