Why Won’t My ATV Start In The Cold? [Easy Fix]

It’s a crisp winter morning, the snow-covered trails are calling your name, and you’re ready for an exhilarating ATV ride. But wait…your ATV won’t start! The frustration sets in as you try to figure out why your trusty machine refuses to come alive in the cold. Don’t worry, you’re not alone. Many ATV owners face this issue when temperatures drop. In this article, we’ll explore the possible reasons behind why your ATV won’t start in the cold and offer some helpful tips on how to troubleshoot and get back on those snowy trails in no time.

When temperatures drop, the fuel in the carburetor can freeze, making it difficult to start the ATV. The cold can also affect the battery, making it harder for the ATV to turn over.

So bundle up and let’s dive into solving the mystery of why your ATV is being so stubborn in chilly weather!

Why Won’t My ATV Start When It’s Cold Outside?

When the mercury drops, your ATV may decide to take a winter siesta. But why does this happen? One possible reason is that cold temperatures can wreak havoc on your battery. Cold weather causes batteries to lose their charge more quickly, making it harder for them to crank over and start the engine. Another culprit could be your fuel system. As temperatures drop, gasoline tends to become thicker and less volatile, making it difficult for the engine to ignite properly.

Don’t forget about those spark plugs! Cold weather can cause spark plugs to foul or malfunction, leading to ignition problems. It’s important to regularly check and clean your spark plugs during colder months.

Engine oil plays a vital role in lubricating all the moving parts of your ATV’s engine, but when it gets too cold, it can thicken up and become sluggish. This can make it harder for the engine components to move smoothly and hinder starting.

Let’s not overlook the air filter. In cold weather conditions with snow and ice present, moisture can accumulate in the air filter housing. This excess moisture can impede airflow into the engine causing starting issues.

Now that we’ve explored some potential reasons behind why your ATV won’t start in the cold, let’s dive deeper into each component mentioned above – battery, fuel system, spark plugs, air filter and engine oil.

Things To Check If Your ATV Won’t Start When It’s Cold Outside

When the temperature drops and you’re ready to hit the trails on your ATV, there’s nothing more frustrating than a machine that won’t start. Before you panic or call for help, there are a few things you can check yourself to get your ATV up and running again.

First, check the battery. Cold temperatures can cause a weak battery to lose its charge quickly. Use a voltmeter to test the voltage of your battery. If it reads below 12 volts, it may not have enough power to start your ATV.

Next, inspect the fuel system. Cold weather can cause condensation in your fuel tank, leading to water getting into the fuel lines and clogging them up. Make sure there is no water or debris in the fuel tank or lines.

Don’t forget about checking the spark plugs as well! These small but vital components ignite the fuel mixture in your engine. Remove each spark plug one at a time and inspect them for signs of wear or fouling.

Another important aspect to look into is engine oil level and quality. Low-quality oil or low levels can make starting difficult in cold conditions as it thickens when cold which makes it harder for parts of an engine like pistons move freely within their cylinders.

Don’t overlook checking the air filter. A dirty air filter restricts airflow into your engine making it harder for combustion to occur efficiently causing starting issues especially in colder temperatures where denser air could be required.

Related: ATV Won't Start When Hot? [Here's The Fix!]

Checking The Battery

One important component to check if your ATV won’t start in the cold is the battery. Cold temperatures can have a significant impact on battery performance, reducing its ability to provide enough power to start the engine. Here are some steps you can take to check your ATV’s battery:

1. Visual Inspection: Start by visually inspecting the battery for any signs of damage or corrosion. Look for loose connections and make sure everything is securely attached.
2. Voltage Test: Use a multimeter to measure the voltage of your ATV’s battery. A fully charged battery should read around 12.6 volts or higher. If it reads below this level, it may need recharging or replacing.
3. Load Test: Conduct a load test on the battery to determine its capacity and health under real-world conditions. This involves applying an electrical load while monitoring voltage levels and observing how well the battery holds up.
4. Recharge or Replace: If your battery fails either test, it may need recharging using a charger designed for ATV batteries or replacing with a new one that meets your vehicle’s specifications.

Remember, maintaining proper charge levels in your ATV’s battery is crucial for reliable starting in cold weather conditions!

Checking The Fuel System

When it comes to starting your ATV in the cold, a faulty fuel system can often be the culprit. So, if you’re having trouble getting your engine running on those chilly mornings, it’s important to check your fuel system for any issues.

First things first, make sure you have enough fuel in the tank. It may seem obvious, but sometimes we overlook the simplest solutions. Next, inspect the fuel lines for any cracks or leaks. These could be causing air to enter the system and disrupt proper fuel flow.

If everything looks good so far, move on to checking the fuel filter. A clogged or dirty filter can prevent adequate amounts of gasoline from reaching your engine. Consider replacing it if necessary.

Now let’s take a look at the carburetor. Over time, debris and gunk can build up inside this component and cause poor performance. Carefully remove and clean it using carburetor cleaner spray.

Don’t forget about the fuel pump! Ensure that it is functioning properly by listening for its humming sound when you turn on the ignition.

By following these steps and addressing any potential issues with your ATV’s fuel system, you’ll greatly increase your chances of starting successfully even in cold weather conditions.

Checking Spark Plugs

Spark plugs play a crucial role in the ignition process of your ATV’s engine. If your ATV won’t start in the cold, it could be due to faulty spark plugs. Here’s how you can check them:

1. Start by locating the spark plug on your ATV’s engine. It is usually connected to thick wires and can be easily spotted.
2. Carefully remove the spark plug wire from its connection point on the plug itself.
3. Inspect the spark plug for any signs of damage or wear, such as cracks or blackened electrodes. If you notice any issues, it may be time to replace them.
4. Use a spark plug socket and a ratchet wrench to remove the old spark plug from its housing.
5. Once removed, examine the electrode gap – this should be set according to manufacturer specifications (usually indicated in your owner’s manual). Adjust if necessary using a gap tool.
6. Before installing new spark plugs, apply a small amount of anti-seize compound to their threads to prevent corrosion and make future removal easier.

Remember that regular maintenance of your ATV’s spark plugs is essential for optimal performance, especially during colder temperatures when starting can become more challenging.

Checking Engine Oil

When it comes to starting your ATV in the cold, checking the engine oil is an important step. Cold weather can cause the oil to thicken, making it harder for your ATV’s engine to turn over. So how do you check the engine oil?

First, make sure your ATV is on a level surface and turned off. Locate the oil dipstick, which is usually near the engine or under a small cap labeled “oil.” Remove the dipstick and wipe it clean with a cloth or paper towel.

Once cleaned, reinsert the dipstick all the way back into its tube and then remove it again. Take note of where the oil level falls on the dipstick. There should be two marks indicating minimum and maximum levels. If the oil level is below or close to minimum, you will need to add more oil.

If adding more oil doesn’t solve your cold-starting problem, there may be other issues at play such as fuel system problems or spark plug issues. It’s always best to consult a professional if you’re unsure about diagnosing or fixing any problems with your ATV.

Checking Air Filter

A dirty or clogged air filter can restrict airflow and make it difficult for your ATV to start, especially in cold weather. Here’s how to check your ATV air filter:

1. Locate the air filter housing. The air filter housing is typically located on the front or side of the engine. Consult your ATV’s owner’s manual for the exact location.
2. Remove the air filter cover. The air filter cover is usually held in place by screws or clips. Unscrew or unclip the cover to remove it.
3. Inspect the air filter. Remove the air filter from the housing and inspect it for dirt, debris, or damage. If the filter is dirty or clogged, it will need to be cleaned or replaced.
4. Clean the air filter (if necessary). If the air filter is dirty but not clogged, you can clean it using a compressed air hose or a vacuum cleaner with a soft brush attachment. Avoid using water or harsh detergents, as these can damage the filter.
5. Replace the air filter (if necessary). If the air filter is clogged or damaged, it will need to be replaced. You can purchase a new air filter at your local ATV dealer or online.
6. Reinstall the air filter and cover. Once the air filter is clean or replaced, reinstall it in the housing and secure the cover.

Check your air filter more frequently in cold weather, as dirt and debris can accumulate more quickly. Use a high-quality air filter that is designed for your ATV’s specific model. If you ride your ATV in dusty or dirty conditions, you may need to clean or replace your air filter more often.

How To Prevent Your ATV From Not Starting When Its Cold?

Here’s how you can prevent your ATV from not starting when it’s cold.

1. Fuel Matters: One common culprit of a cold-start issue is old or low-quality fuel. To prevent this, always use fresh fuel and make sure it’s the proper type and octane rating for your ATV. Stale fuel can cause clogs in the carburetor or injectors, making starting difficult when the temperatures drop.
2. Battery Care: Cold weather can take a toll on your ATV’s battery performance. Ensure that your battery is fully charged before heading out into freezing conditions. Consider using a battery maintainer to keep it juiced up during periods of inactivity.
3. Warm-Up Routine: Just like our bodies need some stretching before exercise, ATVs also benefit from a warm-up routine before hitting the trails in chilly weather. Allow your ATV to idle for a few minutes to allow fluids to circulate properly and reach optimal operating temperature.
4. Clean Air Filter: A dirty air filter restricts air flow, which can affect starting performance in cold conditions. Regularly inspect and clean or replace your ATV’s air filter as needed.
5. Spark Plug Check: A worn-out spark plug can make ignition difficult when it’s cold outside. Inspect your spark plug regularly and replace if necessary, following manufacturer recommendations.
6. Cold-Weather Storage Prep: If you live in an area with long winters, proper storage prep is crucial to prevent cold-start issues down the line.

FAQs on ATV Won’t Start When Cold

Final Thoughts

In conclusion, the issue of cold starting an ATV can be quite frustrating, especially if you own a Polaris quad. It seems that the grease used in the engine may become too thick and prevent the ATV from starting when it gets cold.

While some ATVs may start when cold, others may struggle to turn over in freezing temperatures. It’s important to take proper precautions and perform regular maintenance to ensure that your ATV can start when cold. Additionally, investing in a proper battery and keeping it charged, as well as using the correct starter fluid, can increase the chances of your ATV starting in the cold.

While it may be tempting to overlook the issue, it’s important to address it as soon as possible to prevent any further damage or inconvenience. Overall, starting an ATV in the cold requires some extra care and attention, but with the right preparation and maintenance, you can minimize the chances of encountering starting issues in winter weather.