Yamaha GRIZZLY 660: Specifications, Problems, and Review

Yamaha GRIZZLY 660 is a powerful and versatile all-terrain vehicle designed to tackle various off-road adventures. With its robust build and impressive performance, the GRIZZLY 660 has gained popularity among outdoor enthusiasts and off-road enthusiasts alike. This ATV offers a combination of power, agility, and durability, making it a reliable choice for those seeking thrilling off-road experiences.

When it comes to technical specifications, the Yamaha GRIZZLY 660 boasts an array of impressive features. Let’s take a closer look at the engine specs, speed capabilities, and other key details of this exceptional ATV:

Technical Specifications

Engine Specs

Engine Type 4-stroke, liquid-cooled
Displacement 660cc
Cylinder Arrangement Single cylinder
Valve Train SOHC
Fuel System Electronic fuel injection

Speed Specs

Maximum Speed (mph) 60
Maximum Speed (km/h) 97

The Yamaha GRIZZLY 660’s engine is a 4-stroke, liquid-cooled powerhouse, providing reliable and consistent performance in various terrains. With a displacement of 660cc and a single-cylinder arrangement, this ATV delivers ample power to conquer challenging trails. The SOHC valve train ensures smooth operation and efficient power delivery, while the electronic fuel injection system optimizes fuel efficiency and throttle response.

In terms of speed, the Yamaha GRIZZLY 660 can reach a maximum speed of 60 mph (97 km/h), allowing riders to experience thrilling adventures with confidence. Whether you’re navigating through rough terrains or cruising on open trails, the GRIZZLY 660 offers an exhilarating ride that will keep you engaged and entertained.

Wheel Specs & Bolt Pattern

When it comes to the wheel specifications of the Yamaha GRIZZLY 660, this ATV is equipped with sturdy and reliable wheels that can handle the demands of off-road adventures. Here are the key details:

Front Wheels

  • Wheel Size: 12 inches
  • Tire Size: 25 x 8-12

Rear Wheels

  • Wheel Size: 12 inches
  • Tire Size: 25 x 10-12

The front wheels of the GRIZZLY 660 have a size of 12 inches, providing stability and traction on various terrains. The tire size for the front wheels is 25 x 8-12, offering a balance between grip and maneuverability. The rear wheels also have a size of 12 inches, ensuring consistent performance and durability. The tire size for the rear wheels is 25 x 10-12, providing excellent traction and control.

In terms of the bolt pattern, the Yamaha GRIZZLY 660 features a 4/110 bolt pattern. This bolt pattern is commonly found on Yamaha ATVs and allows for easy installation of aftermarket wheels if desired. It is important to ensure that any replacement wheels or tires have the correct bolt pattern to ensure proper fitment and performance.

Weight

The weight of an ATV plays a crucial role in its performance and maneuverability. The Yamaha GRIZZLY 660 strikes a balance between strength and agility with its weight specifications:

  • Dry Weight: 600 lbs (272 kg)
  • Wet Weight: 670 lbs (304 kg)

The dry weight of the GRIZZLY 660 is 600 lbs (272 kg), which refers to the weight of the vehicle without any fluids or additional accessories. The wet weight, on the other hand, includes all necessary fluids such as fuel, oil, and coolant, as well as any additional accessories or cargo. With a wet weight of 670 lbs (304 kg), the GRIZZLY 660 offers a sturdy and stable ride while still maintaining maneuverability.

Oil Specs

Proper maintenance and regular oil changes are essential for keeping the Yamaha GRIZZLY 660 running smoothly. Here are the oil specifications for this ATV:

  • Engine Oil Type: SAE 10W-40
  • Oil Capacity (with filter change): 3.7 quarts (3.5 liters)

The recommended engine oil type for the GRIZZLY 660 is SAE 10W-40, which provides optimal lubrication and protection for the engine components. When performing an oil change, it is important to replace the oil filter as well. The oil capacity, including the filter change, is 3.7 quarts (3.5 liters), ensuring sufficient oil supply for the engine’s needs.

With these wheel specs, weight details, and oil specifications, the Yamaha GRIZZLY 660 is equipped to handle various terrains and provide a reliable and enjoyable off-road experience.

Common Problems and Review

1. Overheating

One common issue that some Yamaha GRIZZLY 660 owners have reported is overheating. This can occur when the ATV is subjected to prolonged periods of heavy use or when riding in hot weather conditions. To prevent overheating, it is important to ensure proper airflow to the engine and radiator. Regular maintenance, including cleaning the radiator and checking coolant levels, can help mitigate this problem. Additionally, avoiding excessive idling and maintaining a steady speed can also help prevent overheating.

2. Electrical System Malfunctions

Another problem that has been reported by some GRIZZLY 660 owners is electrical system malfunctions. This can manifest as issues with the ignition, lights, or other electrical components. To address this problem, it is recommended to regularly inspect the wiring and connections, ensuring they are secure and free from corrosion. If any electrical issues arise, it is best to consult a professional technician to diagnose and resolve the problem.

3. Suspension and Shock Absorber Wear

The suspension system of the Yamaha GRIZZLY 660 is designed to provide a smooth and comfortable ride over rough terrains. However, over time, the suspension components and shock absorbers may experience wear and tear. Regular inspection and maintenance of the suspension system can help identify any issues early on. If excessive bouncing, bottoming out, or loss of control is experienced, it is recommended to have the suspension system inspected and potentially replaced by a qualified technician.

Review of the Yamaha GRIZZLY 660

The Yamaha GRIZZLY 660 has garnered a reputation as a reliable and capable ATV for off-road enthusiasts. Its powerful 660cc engine delivers ample torque and acceleration, allowing riders to tackle challenging terrains with ease. The ATV’s sturdy construction and durable components contribute to its longevity and ability to withstand rugged conditions.

One of the standout features of the GRIZZLY 660 is its exceptional off-road performance. The ATV’s robust suspension system, combined with its generous ground clearance, enables it to navigate over various obstacles and uneven surfaces. Whether it’s climbing steep hills, traversing rocky trails, or crossing muddy terrain, the GRIZZLY 660 proves to be a capable companion.

The comfortable seating position and ergonomic design of the GRIZZLY 660 ensure a pleasant riding experience, even during long excursions. The ATV’s handling is responsive and precise, allowing riders to maintain control and maneuverability in tight spaces or challenging situations.

While the GRIZZLY 660 has many positive attributes, it is important to be aware of the potential issues mentioned earlier. Regular maintenance and proper care can help mitigate these problems and ensure the longevity of the ATV.

Yamaha GRIZZLY 660 is a reliable and powerful ATV that offers an exhilarating off-road experience. With its impressive performance, sturdy build, and comfortable design, it is a popular choice among outdoor enthusiasts. By addressing common problems and providing regular maintenance, owners can enjoy the full potential of this exceptional ATV.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top