Yamaha YFM45FGY Grizzly 450 2009 Owner's Manual

Yamaha YFM45FGY Grizzly 450 2009 manual cover

Pages 186

Year 2009

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Yamaha YFM45FGY Grizzly 450 2009 Specification

The Yamaha YFM45FGY Grizzly 450, released in 2009, is a robust and versatile all-terrain vehicle designed to handle a variety of outdoor environments. This ATV is powered by a 421cc liquid-cooled, four-stroke engine that provides a reliable and efficient performance. It features a SOHC (Single Overhead Camshaft) configuration with a 10:1 compression ratio, ensuring a balance of power and fuel efficiency. The engine is paired with Yamaha's Ultramatic® V-belt transmission system, offering an automatic transmission with high, low, reverse, and park options, which simplifies the riding experience.

The Grizzly 450 is equipped with an independent double-wishbone suspension system, both at the front and rear, allowing for superior handling and comfort over rough terrain. The front suspension offers 6.3 inches of travel, while the rear provides 7.1 inches, ensuring that the vehicle can navigate uneven surfaces with ease. The ATV also features hydraulic disc brakes on the front and a sealed drum brake on the rear, delivering reliable stopping power in various conditions.

A key aspect of the 2009 Grizzly 450 is its compact and durable chassis, which includes a steel frame designed to withstand rigorous use. The overall design incorporates practical elements such as a sturdy cargo rack capable of carrying significant loads, enhancing its utility for outdoor tasks. The vehicle's dimensions, with a wheelbase of 48.5 inches and a ground clearance of 10.8 inches, strike a balance between stability and maneuverability.

The Yamaha YFM45FGY Grizzly 450 also comes with a range of convenience features, including a digital multifunction display, an easy-access air filter, and a fuel capacity of 3.7 gallons, providing ample range for extended rides. Its rugged design, combined with advanced technology and reliable performance, makes it an excellent choice for both recreational and work-related applications.

Yamaha YFM45FGY Grizzly 450 2009 F.A.Q.

What type of oil is recommended for the Yamaha YFM45FGY Grizzly 450 2009?

The recommended oil for the Yamaha YFM45FGY Grizzly 450 2009 is 10W-40, suitable for both high performance and protection in varied temperatures.

How often should the air filter be cleaned or replaced?

The air filter should be inspected every 20 hours of operation and cleaned or replaced if necessary to ensure optimal engine performance.

What is the correct tire pressure for the Yamaha Grizzly 450?

The recommended tire pressure for the Yamaha Grizzly 450 is 5.0 psi for the front tires and 5.0 psi for the rear tires.

How do I troubleshoot if the engine is not starting?

If the engine is not starting, check the battery charge, ensure the fuel valve is on, and inspect the spark plug for fouling or wear.

What should I do if the ATV overheats?

If the ATV overheats, stop the engine immediately, allow it to cool, check the coolant level, and inspect the radiator for obstructions.

How can I improve the fuel efficiency of my Grizzly 450?

To improve fuel efficiency, maintain regular maintenance, keep tires properly inflated, and avoid carrying unnecessary weight.

How often should the spark plugs be replaced?

Spark plugs should be inspected every 20 hours and replaced every 100 hours of operation or as needed based on wear.

What is the proper way to store the ATV during off-season?

To store the ATV during off-season, clean it thoroughly, change the oil, disconnect the battery, and keep it covered in a dry place.

How do I adjust the brakes on the Yamaha Grizzly 450?

To adjust the brakes, tighten or loosen the brake adjuster nut on the brake rod to achieve the desired brake pedal free play.

What should I check if the ATV is experiencing poor acceleration?

If experiencing poor acceleration, check for clogged air filters, inspect the fuel system for blockages, and ensure the drive belt is in good condition.