How to Fix The Most Common 2006 Yamaha Rhino 660 Problems

The 2006 Yamaha Rhino 660 is a powerful and reliable UTV that has been a staple in the off-road community for years. However, like any vehicle, it is not immune to issues and problems that may arise over time.

As a Yamaha Rhino owner, it is essential to know the most common problems with your vehicle to ensure that you are prepared to tackle any issues that may arise. We will discuss the most common problems Yamaha Rhino 660 owners have faced.

From transmission issues to electrical issues problems, we will be covering it all. We will also provide some tips on how to prevent 2006 Yamaha Rhino 660 problems from occurring in the first place, as well as some solutions to help you fix them if they do occur. As a Yamaha Rhino 660 owner, keeping your vehicle well-maintained and staying on top of any potential issues is important.

2006 Yamaha Rhino 660 problems

Brief Overview Of 2006 Yamaha Rhino 660

The Yamaha Rhino 660, introduced in 2006, is a versatile and powerful off-road vehicle. With a 660cc engine, it conquers rugged terrains effortlessly. Its fuel injection system ensures optimal performance in any condition. The Rhino 660’s rugged chassis, steel frame, and double-wishbone suspension provide stability and superior handling. With a four-wheel drive shaft and differential lock, it offers enhanced traction and control.


  • 660cc liquid-cooled engine
  • 4wheel drive with differential lock
  • Independent double wishbone suspension
  • On-command selectable 2WD/4WD
  • Electric power steering
  • Front and rear disc brakes
  • Dual hydraulic front disc brakes


  • Ground Clearance: 12.1 inches
  • Fuel Capacity: 7.9 gallons
  • Towing Capacity: 1,212 pounds
  • Seating Capacity: 2 people
  • Cargo Bed Capacity: 400 pounds
  • Dimensions: 113.6 inches long, 54.5 inches wide, 73.6 inches tall
  • Weight: 1,075 pounds
  • Brakes: Dual hydraulic disc front, sealed multidisc rear
  • Tires: 25×812 front, 25×1012 rear

10 Common 2006 Yamaha Rhino 660 Problems And Their Solutions

10 Common 2006 Yamaha Rhino 660 Problems And Their Solutions

Regarding offroad vehicles, the 2006 Yamaha Rhino 660 is a popular choice. However, like any ride, it can encounter some common problems. Luckily, some experts have the answers. From engine components to signs of wear, these knowledgeable individuals can provide solutions for individual users. Whether addressing issues with transmission or troubleshooting electrical problems, their expertise ensures a smooth and enjoyable offroading experience.

Maintaining an active lifestyle is important, but handleing your 2006 Yamaha Rhino 660 problems can be challenging if you experience common starting issues. These issues typically arise from problems with the battery, fuel system, starter servo motor or solenoid, and ignition switch or wiring. 

1. Battery Issues

One common problem owners of the 2006 Yamaha Rhino 660 may experience is battery issues. If your Rhino is having trouble starting or holding a charge, there are a few potential solutions. First, check the battery terminals and cables to ensure they are clean and securely connected. Clean them with a wire brush and tighten any connections if they appear corroded or loose.

Another solution is to replace the battery with a new one that meets the recommended specifications for your Rhino. Using a high-quality battery for off-road vehicles is important to ensure optimal performance. Finally, if you continue to experience battery issues, consider having your Rhino inspected by a professional mechanic who can diagnose and repair any underlying electrical problems.

2. Fuel Problems

Fuel Problems

Fuel problems are common with the 2006 Yamaha Rhino 660. This can manifest as difficulty starting, stalling, or even complete engine failure. One possible solution is to check the fuel filter and replace it if necessary. Another potential fix is to clean the carburetor and ensure the fuel lines are clear of obstructions.

In some cases, upgrading to a higher-quality fuel pump or adding a fuel stabilizer can also help prevent future fuel-related issues. It is important to address any fuel problems promptly to avoid further damage to the engine and ensure that your Rhino runs smoothly for years to come. A poor air filter can lead to various issues with the 2006 Yamaha Rhino 660.

3. Carburetor Issues

Carburetor issues are a common problem owners of the 2006 Yamaha Rhino 660 may encounter. Symptoms of carburetor problems can include difficulty starting the vehicle, poor idling, and reduced power. Fortunately, there are several solutions to these problems.

One solution is to clean or replace the carburetor. Over time, dirt bikes and debris can accumulate in the carburetor, leading to clogs and other issues. You can restore proper fuel flow and improve performance by cleaning or replacing it.

Another solution is to adjust the air/fuel mixture. This can help to optimize combustion and improve engine efficiency. If you’re experiencing carburetor issues with your Yamaha Rhino 660, addressing them promptly is important to prevent further damage and ensure reliable performance on the trails.

4. Ignition System Malfunction

Ignition System Malfunction

One common problem owners of the 2006 Yamaha Rhino 660 may encounter is an ignition system malfunction. This can manifest in various ways, including difficulty starting the vehicle or intermittent loss of power. Thankfully, there are several potential solutions to this issue. One possible cause is a faulty ignition coil, which can be replaced relatively easily with a new OEM part.

You can clean or replace a clogged fuel filter or dirty spark plugs, which could be another culprit. It’s also important to ensure that all electrical connections are secure and corrosion-free. If you’re still experiencing issues after trying these solutions, it may be time to consult with a mechanic or Yamaha dealer to diagnose and repair the problem.

5. Electrical Problems

Another common issue that 2006 Yamaha Rhino 660 owners might encounter is electrical problems. These can manifest in various ways, such as the battery not holding a charge or the lights not working properly. To diagnose and solve these issues, it is important to check the battery and connections to ensure they function correctly. If the connections are loose or corroded, they may need to be cleaned or replaced.

It is also possible that there may be a problem with the wiring or electrical components, which may require further inspection by a professional mechanic. Regular maintenance and inspections can help prevent these issues from occurring in the first place, ensuring that your Rhino 660 runs smoothly for years to come. The major starting issue with the 2006 Yamaha Rhino 660 is a common problem owners report.

6. Engine Problems

If you own a 2006 Yamaha Rhino 660, you may have experienced some engine problems. One common issue is overheating, which can be caused by various factors such as a clogged radiator or faulty thermostat. Another issue is oil consumption, which can result from worn piston rings or valve seals. Some owners have reported issues with the carburetor and fuel system, leading to poor performance and stalling.

If you are experiencing any of these issues with your Rhino 660, it is important to address them promptly to avoid further damage to your engine. Consider consulting with a professional mechanic or contacting Yamaha for assistance in troubleshooting and repairing any engine problems. Proper tire pressures are crucial for maintaining the performance and safety of your 2006 Yamaha Rhino 660. Peter Street is a popular street located in the heart of downtown Toronto.

7. 4WD Wiring Issues

4WD Wiring Issues

With the 2006 Yamaha Rhino 660, you may have experienced issues with the 4WD wiring. This common problem can cause the 4WD to malfunction or stop working altogether. The issue typically stems from loose or corroded connections, which can cause electrical signals to fail to reach the 4WD system. To fix this issue, it is recommended that you inspect the wires and connections for any signs of damage or wear.

You may need to replace any damaged wires or connectors to restore functionality to your 4WD system. It is also important to regularly maintain your vehicle’s electrical system to prevent similar issues from arising in the future. The policy regarding the 2006 Yamaha Rhino 660 is essential to ensure a safe and reliable driving experience. The air intake system of the 2006 Yamaha Rhino 660 is prone to clogging.

8. Idle Problems

Possible causes of idle problems in the 2006 Yamaha Rhino 660 can be due to various reasons. One common cause is the carburetor clogged with dirt or debris, preventing the air filter and fuel from mixing correctly. Another reason for idle problems could be a worn-out spark plug or an improperly adjusted throttle body cable. Symptoms of idle problems include stalling, rough idling, or difficulty starting the engine. It’s essential to diagnose the issue accurately before attempting any repairs.

Cleaning the carburetor is often necessary to fix idle problems, but following proper maintenance guidelines and using high-quality fuel is crucial. Adjusting the throttle cable and replacing worn-out parts can help resolve idle issues. Regular maintenance and inspection are critical to preventing idle problems in the future, so it’s essential to follow a maintenance schedule and address any issues immediately before they escalate into more severe problems.

9. Clutch Problems

If you own a 2006 Yamaha Rhino 660, there are a few clutch problems that you should be aware of. One common issue is clutch slippage, which occurs when the clutch doesn’t engage properly and causes the engine to rev without moving the vehicle forward.

Worn-out clutch plates or a damaged clutch basket can cause this. Another problem is clutch drag, which occurs when the clutch doesn’t fully disengage and causes the vehicle to move even when the clutch lever is pulled in. Worn-out or warped clutch fibres or steels can cause this. If you experience any of these issues with your Rhino’s clutch, it’s important to address them promptly to avoid further damage and maintain optimal performance. The user manual provides detailed instructions on how to operate the 2006 Yamaha Rhino 660.

10. Dirt-Sucking Problems

Maintaining the 2006 Yamaha Rhino 660 properly can help prevent dirt-sucking problems that may arise. You can avoid overheating by maintaining the cooling system well and avoiding prolonged idling. You can check clutch issues regularly by examining worn or damaged components. Clutch issues are another common problem.

You should address electrical problems caused by loose connections, corroded wires, and faulty electrical components accordingly.

Checking for suspension problems such as damaged shocks, bushings, and control arms can also help prevent dirt-sucking problems in the 2006 Yamaha Rhino 660. Lastly, keeping the fuel system clean and free from debris can go a long way in preventing clogs and other fuel system issues.

Is It Still Worth Purchasing A Yamaha Rhino 660 Despite The Potential For Common Problems?

Is It Still Worth Purchasing A Yamaha Rhino 660 Despite The Potential For Common Problems

One common concern with the Yamaha Rhino 660 is overheating, which can be addressed by properly cleaning the radiator and cooling system. Some users have also reported issues with the transmission, but regular maintenance and the use of high-quality transmission fluid can help prevent these problems.

Despite these drawbacks, the Yamaha Rhino 660 remains popular among off-roading enthusiasts for its powerful engine, rugged design, and versatility. It also features comfortable seating, ample storage space, and advanced safety features, making it an appealing preferred choice for various terrains and tasks. The discussion about the performance of the 2006 Yamaha Rhino 660 is a hot topic among off-road enthusiasts.


The 2006 Yamaha Rhino 660 is a powerful machine with some common issues worth knowing about. Starting issues, engine problems, wiring issues, idle and clutch problems, and dirt-sucking issues are some of the most common problems owners face. While these can be frustrating, solutions are available to help you get your Rhino back up and running smoothly. And it’s up to you to weigh them before making a purchase decision. The repair shop fixed all the problems with my 2006 Yamaha Rhino 660.

This bike has been a popular choice for off-road enthusiasts for many years. While there is a fair share of 2006 Yamaha Rhino 660 problems, most are minor and can be easily resolved. Proper maintenance and timely repairs are key to keeping this vehicle running smoothly.


Is The Yamaha Rhino A Good Machine?

Yes, the Yamaha Rhino is generally considered to be a good machine. It is popular among off-road enthusiasts due to its durability, versatility, and excellent handling capabilities.

Is Yamaha Rhinos A 4×4?

Yes, Yamaha Rhinos are 4×4 vehicles. For those who may not be familiar with the term, 4×4 refers to a vehicle’s four-wheel drive capability. This means that power is distributed to all four wheels of the vehicle, allowing it to have better traction and grip on the road or off-road terrain.

Does A Yamaha Rhino Have A Belt?

Yes, the Yamaha Rhino does have a belt. The belt is integral to the vehicle’s transmission system and transfers power from the engine to the wheels.

How Heavy Is A Yamaha Rhino?

The extra weight of a Yamaha Rhino can vary depending on the specific model and optional features, but on average, it weighs around 1,100-1,300 pounds.

How Fast Is A 2006 Rhino 660?

The 2006 Rhino 660 has a top speed of approximately 40-45 miles per hour. With its rugged design and impressive performance capabilities, it’s no wonder this ATV is a top choice for off-road adventures.

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