Yamaha YFM66FAV Grizzly 660 2006 Owner's Manual

Yamaha YFM66FAV Grizzly 660 2006 manual cover

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Year 2006

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Yamaha YFM66FAV Grizzly 660 2006 Specification

The Yamaha YFM66FAV Grizzly 660 for the year 2006 represents a robust all-terrain vehicle (ATV) engineered for both recreational and utility purposes. At its core, the Grizzly 660 is powered by a single-cylinder, 4-stroke, liquid-cooled engine with a displacement of 660cc, providing substantial torque and power for a variety of off-road conditions. The engine is paired with a Yamaha Ultramatic V-belt transmission, which features high, low, neutral, reverse, and park gears, enabling seamless transitions and reliable performance across different terrains.

The frame of the Grizzly 660 is a steel tube construction designed for durability and resilience, while the independent double wishbone suspension system at both the front and rear ensures a smooth and stable ride, even on rough landscapes. The ATV is equipped with hydraulic disc brakes on all four wheels, delivering reliable stopping power and enhanced control.

Tire specifications include 25 x 8-12 at the front and 25 x 10-12 at the rear, providing a balanced combination of traction and stability. The Grizzly 660 also features a digital LCD multifunction display, offering essential information such as speed, fuel level, and maintenance reminders, which enhances the rider's ability to monitor and manage the vehicle effectively.

Additional features include a robust cargo rack system with a carrying capacity of up to 264 pounds, making it suitable for transporting equipment and supplies. The fuel tank capacity is 5.3 gallons, ensuring extended operation between refueling stops. With a dry weight of approximately 600 pounds, the Grizzly 660 strikes a balance between heft and maneuverability, making it an ideal choice for those seeking a versatile and reliable ATV for a wide range of applications.

Yamaha YFM66FAV Grizzly 660 2006 F.A.Q.

What type of oil is recommended for the Yamaha YFM66FAV Grizzly 660 2006?

The recommended oil type for the Yamaha YFM66FAV Grizzly 660 2006 is Yamalube 4, 10W-40 or any other 4-stroke engine oil with a similar viscosity and API service classification of SG or higher.

How often should the air filter be cleaned or replaced on the Grizzly 660 2006?

The air filter should be inspected every 20 hours of operation or monthly, and cleaned or replaced as necessary to ensure optimal performance and longevity of the engine.

What is the recommended tire pressure for the Yamaha Grizzly 660 2006?

The recommended tire pressure for the Yamaha Grizzly 660 2006 is 4.0 psi for the front tires and 4.0 psi for the rear tires. Always check the tire pressure when the tires are cold.

How can I troubleshoot a starting issue with the Grizzly 660 2006?

To troubleshoot starting issues, check the battery condition and connections, ensure the fuel supply is adequate, inspect the spark plug for wear or damage, and verify that the kill switch is in the correct position.

What maintenance steps should be taken for the Grizzly 660 2006 before storage?

Before storing the Grizzly 660 2006, clean the ATV thoroughly, change the oil, add fuel stabilizer, disconnect the battery, and store it in a dry, covered location.

How do I adjust the idle speed on the Yamaha Grizzly 660 2006?

To adjust the idle speed, locate the idle adjustment screw on the carburetor. Turn the screw clockwise to increase idle speed or counterclockwise to decrease it until the desired idle speed is reached.

What is the spark plug gap specification for the Grizzly 660 2006?

The spark plug gap specification for the Grizzly 660 2006 is 0.6-0.7 mm (0.024-0.028 inches). Make sure to use a feeler gauge to check the gap before installation.

How can I improve the fuel efficiency of my Grizzly 660 2006?

To improve fuel efficiency, ensure regular maintenance, keep tires properly inflated, avoid excessive idling, and operate at moderate speeds.

What are the common signs of a failing CV joint on the Grizzly 660 2006?

Common signs of a failing CV joint include clicking or popping noises when turning, vibrations during acceleration, and grease visible around the CV joint or boot.

How do I replace the brake pads on the Yamaha Grizzly 660 2006?

To replace the brake pads, remove the wheel, unbolt the brake caliper, remove the old pads, compress the caliper piston, install the new pads, and reassemble the components in reverse order.