The Yamaha Big Bear 350 has been a popular ATV for many years. While it is a reliable and durable machine, like any vehicle, it can experience some common problems. Understanding these issues can help you troubleshoot and fix them quickly so that you can enjoy your ride.
Yamaha Big Bear 350 common problems include the carburettor, electrical system, and transmission issues. By knowing how to fix them, you can ensure that your ATV stays in great condition for years.
However, like any other machine, it may experience common problems that require attention. Regular maintenance can prevent many issues, but when problems arise, it’s crucial to diagnose the issue before attempting a fix.
Here, we will discuss the most common problems Yamaha Big Bear 350 owners face and their solutions. We will cover everything from insufficient power to carburettor issues and throttle struggles. We also have some troubleshooting tips that will help you keep your ATV running smoothly.
List Of Yamaha Big Bear 350 Common Problems And How To Fix Them
If you own a Yamaha Big Bear 350 common problems, you may have experienced some common problems with this ATV model. Common issues include difficulty starting the engine, poor fuel efficiency, and electrical problems. Luckily, some basic maintenance and repairs can fix many of these issues.
To fix the engine’s difficulty, check the battery and ensure it is fully charged. If that doesn’t work, check the spark plug and replace it if necessary. For poor fuel efficiency, regularly clean or replace the air filter and adjust the carburettor if needed. Finally, check all connections and fuses for electrical problems like a dead battery.
Or malfunctioning lights to ensure they are in good condition. Stay on top of regular maintenance and address any issues as soon as they arise. This way, you can keep your Yamaha Big Bear 350 running smoothly for years. Scroll down for solutions.
Faulty Brake System
One common problem with the Yamaha Big Bear 350 is a faulty brake system. Various issues, including worn-out brake pads or a damaged brake hose, can cause this. If you are experiencing issues with your brakes, it is important to get them fixed as soon as possible for your safety and the safety of others.
To fix a faulty brake system on your Yamaha Big Bear 350, start by inspecting the brake pads and replacing them if worn out. Next, check the brake hose for any damage or leaks and replace it if necessary. Finally, bleed the brakes to ensure there is no air in the system and they are working properly.
Transmission
If you own a Yamaha Big Bear 350, you may have experienced some common transmission problems. One of the most common issues is difficulty shifting gears or grinding noise when shifting. Worn-out gears or a damaged shift fork could cause this. Another issue is slipping gears, which can occur if the clutch is not properly adjusted or if there is damage to the clutch plates.
To fix these transmission problems, it is recommended to take your ATV to a professional mechanic who specializes in working on Yamaha Big Bear 350s. The rear brakes need adjustment to ensure safe stopping while monitoring fuel flow, and adjusting the fuel screw optimizes engine operation.
Use Advanced Search to find solutions for common problems with the Yamaha Big Bear 350 transmission. Regular maintenance and inspections can also prevent future transmission issues from occurring.
Torque
One common problem Yamaha Big Bear 350 owners may experience is torque issues. This can manifest as a lack of power or difficulty accelerating, which can be frustrating for riders. Fortunately, there are several potential fixes for this problem. One solution is to check the carburettor and ensure it is clean and functioning properly. Another option is to inspect the air filter and replace it if necessary.
One common problem with the Yamaha Big Bear 350 is loose electrical connections, which can lead to transmission failure. By addressing torque issues early on, riders can ensure that their Yamaha Big Bear 350 runs smoothly and reliably for years.
Reverse Gear
One of the most common problems that Yamaha Big Bear 350 owners encounter is issues with the reverse gear. Some riders have reported difficulty shifting into reverse, while others have experienced slipping or grinding.
Fortunately, some fixes can help alleviate these issues. One solution is to adjust the shift linkage to ensure smooth shifting between gears. Another fix is to replace worn or damaged parts, such as the reverse gear idler or gearshift cam. It is important to address these issues promptly to prevent further damage to the transmission.
The gas tank is in decent shape, but be cautious of a lean mixture in the Yamaha Big Bear 350. Also, check out our affiliate advertising program for tips on how to fix common problems in reverse gear.
If you are experiencing problems with your Yamaha Big Bear 350’s reverse gear, consult a mechanic or refer to a repair manual for guidance on how to make these repairs.
Insufficient Power
One of the common problems that Yamaha Big Bear 350 owners may encounter is insufficient power. Various factors, including dirty air filters, clogged fuel injectors, or worn-out spark plugs, can cause this.
One potential fix for this issue is to clean or replace the air filter, which can improve engine performance and increase power output. Another solution is to check and clean the fuel injectors, which can become clogged with debris over time.
Finally, replacing worn-out spark plugs can also help to improve engine performance and increase power output. If none of these fixes resolves the issue, taking your Yamaha Big Bear 350 to a professional mechanic may be necessary for further diagnosis and repair.
Carburetor
Carburettor issues are among the most common problems with the Yamaha Big Bear 350. Symptoms of a carburettor problem can include difficulty starting, poor idling, and decreased performance.
Fortunately, several fixes can help to address these issues. One solution is to clean or rebuild the carburettor, which helps remove any dirt causing problems. Another option is to adjust the carburettor settings, such as the air/fuel mixture or idle speed.
If these solutions do not work, it may be necessary to replace the carburettor entirely. It is important to properly diagnose the issue before attempting any repairs to ensure that you are addressing the root cause of the problem.
Throttle
If you own a Yamaha Big Bear 350, you may have experienced some throttle issues. One common problem is a sticking or unresponsive throttle. A dirty or clogged carburettor or throttle cable can cause this. First, try cleaning the carburettor and throttle cable with a carb cleaner to fix this issue. If that doesn’t work, you may need to replace the cable altogether.
Another common issue is a loose or wobbly throttle. This can be caused by a worn-out throttle tube or handlebar grip. You must replace the worn-out parts with new ones to fix this issue.
Lastly, if your Yamaha Big Bear 350 is experiencing surging or stalling when idling, this could be due to a dirty air filter or fuel filter. Regularly clean and replace these filters to prevent further issues with your ATV’s throttle.
Cdi
One of the most common problems Yamaha Big Bear 350s owners experience is issues with the CDI (Capacitor Discharge Ignition) unit. Symptoms of a faulty CDI may include difficulty starting, poor fuel economy, or stalling during operation.
Fortunately, several fixes for CDI issues can help get your Big Bear running smoothly again. Some possible solutions include replacing the CDI unit entirely, checking and repairing any damaged wiring or connections, or cleaning and adjusting the ignition coil.
It is important to address CDI issues promptly, as they can lead to more serious problems if left untreated. If you are experiencing issues with your Yamaha Big Bear 350’s CDI, consult a mechanic or experienced ATV enthusiast to determine the best course of action.
Electrical Issues
The Yamaha Big Bear 350 is a popular ATV but can experience its fair share of issues like any vehicle. One common problem with this model is electrical issues. These can include issues with the starter motor, battery, and wiring. To fix these problems, it is important first to identify the root cause of the issue. This may require some troubleshooting and testing of various components.
Some common fixes for electrical issues on the Yamaha Big Bear 350 include replacing faulty wiring or connectors, cleaning or replacing the battery terminals, and checking and replacing the starter relay if needed.
It is important to address these issues promptly to prevent further damage to your ATV’s electrical system. If you are unsure how to fix an electrical issue on your Yamaha Big Bear 350, consult a professional ATV mechanic.
On And Off Start Struggles
If you own a Yamaha Big Bear 350, you may experience some common issues with starting the engine. One of the most common problems is on and off-start struggles, which various factors such as a dirty carburettor, clogged fuel filter, or faulty ignition system can cause.
To fix this issue, performing regular maintenance on your ATV and replacing worn-out parts as needed is important. Another common issue is the starter motor failing to engage, which a weak battery or a faulty starter solenoid can cause. You may need to replace the battery or solenoid to fix this problem.
If you are experiencing any issues with starting your Yamaha Big Bear 350, it’s important to address them promptly to avoid further damage to your ATV and ensure it runs smoothly for years.
Maintaining Tips For The Yamaha Big Bear 350
Maintaining your Yamaha Big Bear 350 is essential to ensure it continues performing at its best. The Yamaha Big Bear 350 is a rugged and reliable ATV popular with off-road enthusiasts for many years. Its powerful engine, excellent suspension, and durable construction can handle even the toughest terrain. Here are some tips to help you keep your ATV in top condition:
- Regularly check the oil levels and change the oil as needed.
- Clean the air filter regularly to prevent dust and debris from entering the engine.
- Inspect the tires for wear and tear and maintain proper tire pressure.
- Regularly check the brakes and brake fluid levels and replace worn-out brake pads.
- Keep all bolts and nuts tightened securely, especially after off-road use.
- Wash the ATV after each use to remove dirt, mud, and debris that can accumulate on the machine.
How Do You Tell If Your Yamaha Big Bear 350 Has Carburetor Issues?
If you own a Yamaha Big Bear 350 and suspect you may be experiencing carburettor issues, there are several telltale signs to look out for. Carburettor problems can significantly impact the performance and efficiency of your ATV, so it is essential to be able to identify these issues early on. Here are some key indicators that may suggest carburettor problems:
- Difficulty starting
- Rough idling
- Poor performance
- Black smoke from the exhaust
- Fuel leaks
If you encounter any of these symptoms, it is advisable to consult a professional mechanic or Yamaha-authorized service centre to diagnose and address the carburettor issues properly.
Conclusion
The Yamaha Big Bear 350 is a reliable and durable ATV that can handle tough terrain and heavy loads. Like any vehicle, it has its common problems. From issues with the carburettor to electrical problems, staying on top of maintenance and addressing any problems as soon as they arise is important. By keeping up with regular maintenance and addressing issues promptly, you can ensure that your Big Bear 350 remains in top condition for years to come.
We’ve guided some of Yamaha Big Bear 350 common problems and their solutions, from brake system faults to transmission issues. However, it’s important to note that these are general troubleshooting tips, and every situation is unique. By taking care of your ATV and addressing any issues promptly, you can ensure that your Yamaha Big Bear 350 remains in top condition for years to come.
Frequently Asked Questions
1.How Much Is A 1998 Yamaha Big Bear 350?
Ans: The price of a 1998 Yamaha Big Bear 350 can vary depending on its condition, mileage, and any additional features or modifications. It is recommended to check with local dealerships, online marketplaces, or classified ads to estimate the current market value accurately.
2.How Much Is A 1999 Yamaha Big Bear 350 Worth?
Ans: The value of a 1999 Yamaha Big Bear 350 can vary depending on factors such as condition, mileage, and location. It is recommended to consult online marketplaces or use a pricing guide specific to ATV values for a more accurate estimate.
3.Is Big Bear 350 4×4?
Ans: Yes, the Big Bear 350 is a 4×4 ATV. It features a 4-wheel drive system with improved traction and handling, making it ideal for off-road adventures.
4.How Many Cc Is A Yamaha 350?
Ans: The Yamaha 350 refers to the Yamaha RD350, a two-stroke motorcycle produced in various versions from 1973 to 1995. The RD350 had an engine displacement of 347 cc.
5.How Much Is A 1987 Big Bear 350 Worth?
Ans: The value of a 1987 Big Bear 350 can vary depending on factors such as condition, mileage, and location. However, on average, a 1987 Big Bear 350 is worth around $1,500 to $2,500.