The Yamaha Big Bear 350 is a favorite among ATV enthusiasts. It’s known for its durability and performance.
But, like all machines, it has its share of common problems. Whether you are a seasoned rider or a new owner, knowing the common issues can save you time and money. From engine troubles to electrical glitches, every rider faces some challenges with their ATV.
Understanding these problems helps you address them quickly. This guide explores the frequent issues with the Yamaha Big Bear 350. It provides insights to keep your ATV in top shape. So, let’s dive into the details and help you maintain your ride efficiently.
Engine Issues
Owning a Yamaha Big Bear 350 can be quite the adventure, but like any ATV, it comes with its own set of challenges. The engine, being the heart of your ATV, can sometimes be troublesome. Let’s dive into some common engine issues you might face and how to tackle them.
Starting Problems
Ever turned the key and heard nothing but silence? It’s frustrating, right? Starting problems are common in the Yamaha Big Bear 350. Often, the culprit is a weak battery. Ensure your battery is fully charged and connections are tight.
If the battery isn’t the issue, check the spark plug. A dirty or worn-out spark plug can prevent your engine from firing up. Replace it if necessary.
Another trick is to inspect the starter solenoid. If it’s faulty, your ATV won’t start. Replacing it could solve the problem. Have you ever had to deal with a stubborn start? Share your tips below!
Overheating
Overheating can quickly ruin your ride. If your Yamaha Big Bear 350 tends to run hot, the cooling system might need attention. Start by checking the radiator for blockages. Clean it to ensure proper airflow.
The coolant level is crucial. Low coolant can cause overheating. Top it up regularly and check for leaks. Have you ever faced overheating issues? How did you resolve them?
Lastly, inspect the fan. If it’s not working, your engine will overheat. Replacing a faulty fan can save you from a breakdown. Keeping your engine cool is vital for a smooth ride. What’s your strategy for maintaining optimal engine temperature?
By addressing these common engine issues, you can keep your Yamaha Big Bear 350 running smoothly. Have you experienced any other engine problems? Let’s discuss them in the comments!
Transmission Troubles
When you own a Yamaha Big Bear 350, you expect a sturdy and reliable ride. However, even the best ATVs can face transmission troubles. Recognizing and addressing these issues early can save you a lot of headaches and expenses. Let’s dive into some common transmission problems you might encounter.
Shifting Difficulties
One of the most common issues you might face is difficulty in shifting gears. You might notice the gear lever feels stiff or doesn’t engage smoothly. This can be frustrating, especially when you’re out on the trails.
Regular maintenance is key. Ensure your gear oil is clean and at the right level. Sometimes, simply replacing the gear oil can significantly improve shifting ease.
Have you ever wondered if your clutch cable is properly adjusted? A poorly adjusted cable can make shifting a nightmare. Always check and adjust your clutch cable tension as needed.
Gear Slippage
Another common problem is gear slippage. You might be riding along, and suddenly your ATV pops out of gear. This can be both annoying and dangerous.
Worn out gears or a damaged shift fork could be the culprits. Regularly inspect these components for wear and tear.
Also, never underestimate the importance of proper gear oil. Old or contaminated oil can lead to gear slippage. Always use the recommended oil for your Yamaha Big Bear 350.
Transmission troubles can be daunting, but they are manageable. By staying vigilant and performing regular maintenance, you can keep your Yamaha Big Bear 350 running smoothly. Have you experienced any of these issues? What steps did you take to resolve them?
Electrical Malfunctions
Riding a Yamaha Big Bear 350 can be an exhilarating experience. However, electrical malfunctions can sometimes put a damper on your off-road adventures. These issues often arise due to common problems like battery drainage and faulty wiring.
Battery Drainage
One of the most frustrating issues you might face is a drained battery. Imagine gearing up for a ride, only to find your Big Bear won’t start. It happens frequently and can be a real mood killer.
Batteries can drain for several reasons. Leaving the lights on or using accessories without the engine running can quickly sap the battery. Even a faulty regulator or a bad connection can cause unexpected drainage.
Have you checked your battery connections recently? Ensuring they’re tight and clean can prevent many issues. Regularly charging the battery, especially if you don’t ride often, can also keep it in good shape.
Faulty Wiring
Wiring problems are another common headache. Over time, wires can become frayed or corroded. This can lead to intermittent electrical issues or, worse, a complete failure.
Inspecting your wiring harness periodically is essential. Look for any signs of wear or damage. Replacing old or damaged wires can save you from bigger problems down the road.
Have you ever experienced flickering lights or a sudden loss of power? These are often early signs of wiring issues. Addressing them quickly can prevent you from being stranded in the middle of nowhere.
What steps do you take to maintain your Yamaha Big Bear 350? Regular checks and preventive maintenance can make a huge difference. Share your tips and experiences in the comments!
Yamaha Big Bear 350 Common Problems [Here is the Fuel System Problems]
Yamaha Big Bear 350 often faces fuel system problems. Dirty fuel filters or clogged carburetors can cause engine issues. Regular maintenance helps avoid these common pitfalls.
Fuel system problems can affect the Yamaha Big Bear 350’s performance. Riders often face issues with fuel delivery. This leads to reduced power or stalling.
Carburetor Issues
Carburetor issues are common in older models. Dirt and debris can clog the carburetor jets. This restricts fuel flow. Regular cleaning helps prevent this. Also, worn-out gaskets can cause leaks. Replacing these gaskets is necessary for optimal performance.
Fuel Line Blockages
Fuel line blockages can cause major problems. Dirt or debris can block the fuel line. This stops fuel from reaching the engine. Inspect fuel lines regularly. Replace any damaged sections. This ensures smooth fuel flow. Clean the fuel tank to prevent debris buildup.
Suspension Complaints
When it comes to the Yamaha Big Bear 350, suspension complaints are a common issue among riders. Many enthusiasts love the sturdy build and reliability of this ATV, but the suspension system can sometimes be a point of frustration. Addressing these complaints early can save you time, money, and a lot of headaches down the road.
Shock Absorber Failure
Shock absorbers are critical for a smooth ride, but they are also prone to wear and tear. You may notice a decrease in ride comfort or hear unusual noises from the suspension area. These are clear signs that your shock absorbers might be failing.
Once, during a weekend trail ride, I felt every bump and dip more than usual. My Big Bear 350 wasn’t giving the cushioned ride I was accustomed to. A quick check revealed worn-out shock absorbers. Replacing them immediately improved the ride quality.
If you encounter similar issues, it’s wise to inspect your shock absorbers. Replacing them can restore your ATV’s performance and enhance your riding experience.
Swing Arm Wear
Swing arm wear is another common issue with the Yamaha Big Bear 350. This component is crucial for the rear wheel’s stability and overall suspension function. Over time, the swing arm can develop play and become less effective.
I recall a time when my ATV started feeling unstable, especially during turns. The culprit was a worn-out swing arm. After replacing it, the stability returned, and the handling felt much more precise.
Check your swing arm regularly for signs of wear. If you notice any play or instability, it’s time for a replacement. Keeping this part in top condition is essential for maintaining your ATV’s performance and safety.
Are you experiencing similar suspension issues with your Yamaha Big Bear 350? Addressing these problems early can make a significant difference in your ride quality and safety. What steps have you taken to maintain your ATV’s suspension system?
Brake Concerns
The Yamaha Big Bear 350 is a reliable ATV, but brake concerns can arise. Proper brake function is crucial for safety. Let’s explore some common brake issues.
Brake Pad Wear
Brake pads wear out over time. Frequent use speeds this up. Worn brake pads reduce braking efficiency. Regular checks can help spot wear early. Replace pads before they get too thin. This ensures your safety on the trails.
Hydraulic Fluid Leaks
Hydraulic fluid leaks are another common issue. Leaks can reduce brake pressure. This makes stopping difficult. Check hydraulic lines regularly. Look for cracks or wet spots. Fix leaks quickly to maintain brake power. Keeping fluid levels topped up is also essential.
Cooling System Faults
The Yamaha Big Bear 350 is a reliable ATV, but it can face issues. One common area of concern is the cooling system. Proper cooling is crucial to prevent engine overheating and damage. Let’s explore some common cooling system faults.
Radiator Leaks
Radiator leaks are a frequent issue with the Yamaha Big Bear 350. Leaks can occur due to damaged seals or punctures. Check for signs of coolant under the ATV. A low coolant level can lead to overheating. Regular inspection of the radiator and hoses is essential. Replace damaged parts promptly to prevent further problems.
Fan Failure
The cooling fan helps regulate engine temperature. If the fan fails, the engine can overheat. Common causes include a faulty fan motor or electrical issues. Listen for the fan when the engine is running. If it’s not working, inspect the motor and wiring. Replacing a faulty fan can prevent serious engine damage.
Exhaust System Issues
Exhaust system issues are common in the Yamaha Big Bear 350. Problems often include leaks and rust, affecting performance and noise levels. Regular maintenance can help prevent these issues.
When it comes to the Yamaha Big Bear 350, many riders appreciate its rugged design and reliability. However, like any ATV, it can face some common issues, especially with its exhaust system. Understanding these problems can help you maintain your vehicle better and enjoy a smoother ride.
Exhaust Leaks
Exhaust leaks are a common problem in the Yamaha Big Bear 350. They can cause your ATV to lose power and perform poorly. Often, these leaks happen at the joints where the exhaust pipes connect.
You might notice a hissing sound or a strong exhaust smell. This is a clear sign of a leak. A quick fix might involve tightening the clamps or replacing worn-out gaskets.
However, if the problem persists, you might need to inspect the entire exhaust system. Look for cracks or holes that could be causing the leak. Regular maintenance can help catch these issues early.
Muffler Damage
Another common issue is muffler damage. The muffler is crucial in reducing noise and ensuring the engine runs smoothly. Over time, it can get damaged by rust, impact, or general wear and tear.
A damaged muffler can make your ATV noisier and reduce its performance. You might notice a louder exhaust noise or a decrease in power.
If you suspect muffler damage, inspect it closely. Look for rust spots, dents, or any other visible damage. In some cases, you might be able to repair it, but often, replacing the muffler is the best solution.
Regularly checking your exhaust system can prevent these problems. It ensures your Yamaha Big Bear 350 runs efficiently and you get the best out of your adventures. Have you ever faced any of these issues with your ATV? How did you handle them? Share your experiences and tips in the comments below.
Frequently Asked Questions
What Is The Top Speed Of The Yamaha Big Bear 350?
The top speed of the Yamaha Big Bear 350 is approximately 45 mph. This ATV is designed for durability and off-road capabilities.
What Year Was The Yamaha Big Bear 350 Made?
The Yamaha Big Bear 350 was first made in 1987. This ATV model was produced until the early 2000s.
What Size Battery Is In The 1998 Yamaha Big Bear 350?
The 1998 Yamaha Big Bear 350 uses a 12-volt, 12Ah battery. Ensure compatibility by checking model number YTX14-BS.
Is A Yamaha Big Bear 350 A 4 Stroke?
Yes, the Yamaha Big Bear 350 features a 4-stroke engine. It provides reliable performance for off-road adventures.
What Are Common Issues With Yamaha Big Bear 350?
The Yamaha Big Bear 350 often faces carburetor problems, electrical issues, and worn-out brakes.
Conclusion
The Yamaha Big Bear 350 is a reliable ATV, but problems can arise. Issues with starting, overheating, and electrical components are common. Regular maintenance can prevent many of these problems. Always check the oil, battery, and cooling system. A little care goes a long way.
If issues persist, consult a professional mechanic. Keep your Big Bear in top shape and enjoy the ride!