Polaris Sportsman 570 Starting Problems


Dealing with starting issues on your Polaris Sportsman 570 can be frustrating. If you’ve found yourself in this predicament, fret not – you’re not alone. In this post, we’ll delve into common reasons why your Polaris Sportsman 570 may be experiencing starting problems and explore practical solutions to get you back on the trail swiftly. From potential battery troubles to fuel system hiccups, we’ll cover it all. Stay tuned for expert tips and troubleshooting advice that will have you revving up your Polaris Sportsman 570 without a hitch.


Key Takeaways

  • Regularly inspect and clean electrical connectors to prevent corrosion and ensure proper starting of your Polaris Sportsman 570.

  • Check and replace spark plugs as part of routine maintenance to facilitate smooth starting of your ATV.

  • Address fuel pump malfunctions promptly to avoid start-up issues with your Polaris Sportsman 570.

  • Follow troubleshooting steps to identify and resolve common starting problems, such as battery issues and ignition system faults.

  • Perform preventative maintenance, including oil changes and filter replacements, to mitigate future starting difficulties in your ATV.

  • Implement expert tips for long-term starting reliability, such as using high-quality fuel and storing the ATV properly to minimize starting problems.

Identifying Common Starting Issues in Polaris Sportsman 570

Role of the Battery

The battery is crucial for starting your Polaris Sportsman 570. If the battery doesn’t have enough charge, it can lead to starting problems. A weak or old battery may struggle to provide sufficient power to start the ATV.

When you try to start your Polaris Sportsman 570 and only hear a clicking sound, it’s often an indication that the batteryis at fault. It’s essential to check the battery’s voltage using a multimeter. If it falls below a certain level, it might be time for a replacement.

Signs of Faulty Starter Motor

A faulty starter motor can also cause starting issues in your Polaris Sportsman 570. One common sign of a problematic starter motor is when you turn the key, but nothing happens – no clicks or any other sounds from the engine.

If you encounter this issue frequently, consider inspecting and testing the starter motor for any faults. Sometimes, debris or dirt can get into the starter motor causing malfunctions.

Potential Issues with Ignition Switch

The ignition switch plays a vital role in initiating the starting process of your Polaris Sportsman 570. Over time, this component can wear out or develop faults that prevent proper engagement with other electrical systems necessary for starting.

If you notice intermittent issues where turning the key doesn’t result in consistent starts, there could be underlying problems with the ignition switch that need attention.

Troubleshooting Steps for Polaris Sportsman 570 Starting Difficulties

Checking the Battery

If your Polaris Sportsman 570 is experiencing starting problems, start by checking the battery. A low battery voltage can cause starting issues. Use a multimeter to measure the voltage. Ensure that it reads at least 12 volts. If the voltage is low, recharge or replace the battery as needed.

A corroded or loose connection can also prevent the ATV from starting. Inspect the battery terminals and cables for any signs of corrosion or looseness. Clean off any corrosion with a wire brush and ensure that all connections are tight to guarantee proper electrical flow.

Testing Starter Solenoid

The starter solenoid plays a crucial role in initiating the engine’s startup process in your Polaris Sportsman 570. To test its functionality, use a screwdriver to bridge the two metal contacts on top of it while pressing the start button. If this action successfully starts your ATV, it indicates an issue with the solenoid and may need replacement.

Inspecting these components will help you diagnose potential issues causing starting difficulties in your Polaris Sportsman 570.

Inspecting Fuel System

Another common culprit for starting problems is a faulty fuel system in your Polaris Sportsman 570. Check for blockages or leaks within both the fuel lines and filters to ensure proper fuel delivery to the engine during startup.

Electrical Connector Corrosion and Starting Failures

Disrupting Electrical Connections

Corrosion can lead to starting problems in a Polaris Sportsman 570 by disrupting the electrical connections. When connectors corrode, they create resistance that hinders the flow of electricity, affecting crucial components like the starter motor or ignition system. This resistance can prevent these components from receiving the necessary power to initiate the starting process.

This disruption in electrical connections due to corrosion often results in intermittent starting issues or complete failure to start. As a result, when attempting to start the Polaris Sportsman 570, you may experience clicking sounds without any engine turnover or no response at all when turning the key. These symptoms are indicative of underlying electrical connector corrosion that needs immediate attention.

Common Areas Prone to Corrosion

The most common areas where electrical connectors may corrode on a Polaris Sportsman 570 include those around the battery terminals, wiring harness connections, and fuse box terminals. Battery terminals are particularly susceptible due to exposure to moisture and other environmental elements. Wiring harness connections and fuse box terminals can also be affected by moisture ingress over time.

Regular inspection and maintenance play a critical role in preventing corrosion-related starting failures in a Polaris Sportsman 570. By routinely checking for signs of corrosion on these connectors and cleaning them as needed with an appropriate solution or tool, you can mitigate potential starting problems caused by this issue.

The Role of Spark Plugs in Starting Your Sportsman 570

Ignition Process

Spark plugs are essential for starting your Sportsman 570. When you turn the key, the spark plug ignites the air-fuel mixture in the engine. This combustion creates the power needed to start and run your ATV.

A worn or fouled spark plug can cause starting problems. Symptoms include difficulty starting, rough idling, and poor acceleration. If you experience any of these issues with your Sportsman 570, it’s crucial to inspect the spark plugs.

Inspection and Replacement

To inspect the spark plugs on your Sportsman 570, remove them from the engine using a socket wrench. Check for signs of wear, such as eroded electrodes or heavy carbon deposits. If you notice any of these symptoms, it’s time to replace them.

When replacing spark plugs on your Sportsman 570, ensure that they are properly gapped according to manufacturer specifications before installation. Properly torquing them into place is also crucial to avoid future starting problems.

Fuel Pump Malfunctions Leading to Start-Up Issues

Impact of a Malfunctioning Fuel Pump

A malfunctioning fuel pump in your Polaris Sportsman 570 can significantly affect its starting performance. When the fuel pump fails, it may not deliver the necessary amount of fuel to the engine, leading to difficulties in starting the ATV. This can result in backfiring or a general weakness when attempting to start the vehicle.

The impact of a failing fuel pump goes beyond just starting issues. It can also cause sputtering and stalling while riding, especially at higher speeds or under heavy load. These symptoms are indicative of an inadequate supply of fuel reaching the engine, further emphasizing the critical role that a properly functioning fuel pump plays in ensuring smooth operation.

Potential Causes and Steps for Diagnosis

Several factors could contribute to fuel pump failure in the Sportsman 570. Contaminants such as dirt and debris entering the fuel system can damage internal components, leading to reduced efficiency or complete malfunction. Prolonged use with low levels of gasoline may cause overheating and premature wear on the pump.

To diagnose and address potential issues with your Polaris Sportsman 570’s fuel pump, you should first inspect for any visible signs of damage or contamination within the system. Testing pressure at various points along with checking electrical connections are crucial steps towards identifying specific faults before proceeding with repairs or replacements.

Resolving Intermittent Starting Problems in Polaris Sportsman 570

Electrical System

The Polaris Sportsman 570 may experience intermittent starting problems due to issues with the electrical system. Corroded or loose battery connections, faulty ignition switches, or damaged wiring can all contribute to sporadic start-up issues. For example, a corroded battery terminal can disrupt the flow of electricity from the battery to the starter motor.

When troubleshooting starting problems, it’s crucial to inspect the electrical components thoroughly. Check for any signs of corrosion on the battery terminals and ensure they are tightly secured. Examine the condition of the ignition switch and wiring harness for any visible damage.

Fuel Delivery

Another common culprit behind intermittent starting problems in Polaris Sportsman 570 is related to fuel delivery. Issues such as clogged fuel filters, a malfunctioning fuel pump, or contaminated fuel can lead to sporadic start-up difficulties. For instance, a clogged fuel filter restricts proper fuel flow to the engine during start-up.

To address these potential causes of starting issues related to fuel delivery, it’s essential to perform diagnostic testing on various components within the system. This includes checking and replacing clogged filters if necessary and ensuring that there are no obstructions in the fuel lines that could impede proper fuel flow.

Preventative Maintenance to Avoid Future Starting Problems

Importance of Regular Maintenance

Regular maintenance is crucial in preventing polaris sportsman 570 starting problems. By conducting routine checks and servicing, you can avoid potential issues with the cranking mechanism and other key components. Ignoring maintenance can lead to costly repairs and frustrating starting problems down the line.

It’s essential to keep an eye on the exhaust valve clearance, intake valve clearance, and other vital parts that directly impact the starting process. A proactive approach to maintenance will ensure that your Polaris Sportsman 570 starts reliably every time you need it.

Checklist for Upholding Starting Reliability

To maintain a dependable starting system, consider tasks such as checking the exhaust valve clearance, inspecting the intake valve clearance, updating the battery if needed, and monitoring power delivery during startup. Ensuring proper fuel delivery and ignition timing is also crucial for preventing future starting problems.

  1. Check exhaust valve clearance

  2. Inspect intake valve clearance

  3. Update or replace a new battery if necessary

  4. Monitor power delivery during startup

Expert Tips for Long-Term Starting Reliability of Your ATV

Proper Care and Usage Habits

Adopting good maintenance habits is crucial. Regularly cleaning the ATV, checking the battery, and ensuring proper storage can prevent starting issues. For example, keeping the battery terminals clean and tight can significantly improve starting reliability.

Using high-quality fuel and lubricants is also essential for maintaining the ATV’s long-term reliability. Low-quality fuel or old, degraded lubricants can lead to engine issues that affect its starting performance. By using top-grade products recommended by the manufacturer, you can ensure optimal operation of your ATV’s engine.

Professional Servicing Importance

Professional servicing plays a significant role in maintaining long-term reliability for your Polaris Sportsman 570. Periodic inspections by experienced technicians can identify potential problems before they escalate into major issues that affect starting performance. Professional servicing ensures that all components are functioning correctly and are well-maintained.

Regular maintenance not only prevents future starting problems but also extends the overall lifespan of your ATV. It’s an investment in its longevity and performance reliability.


Congratulations on making it through the troubleshooting journey for your Polaris Sportsman 570 starting problems! By identifying common issues, understanding the role of components like spark plugs and fuel pumps, and learning preventative maintenance tips, you’ve gained valuable insights into ensuring the long-term reliability of your ATV. Remember, regular upkeep is key to preventing future starting issues. Keep an eye on electrical connectors, spark plugs, and the fuel system to avoid being stranded with a non-starting ATV. Implement the expert tips shared here to keep your Polaris Sportsman 570 roaring to life whenever you need it.

Now that you’re equipped with this knowledge, take proactive steps to maintain your ATV and share these tips with fellow riders facing similar challenges. Your expertise could be invaluable in helping others get their Polaris Sportsman 570s back on track. Stay proactive and ride on!