Yamaha YFM45FGA, YFM45FGHA Grizzly 450 2011 Owner's Manual

Yamaha YFM45FGA, YFM45FGHA Grizzly 450 2011 manual cover
Pages 166
Year 2011
Language(s)
English en

Yamaha YFM45FGA, YFM45FGHA Grizzly 450 2011 Specification

The Yamaha YFM45FGA and YFM45FGHA Grizzly 450 models of 2011 are robust all-terrain vehicles (ATVs) designed for both recreational and utility purposes. Central to their performance is a 421cc, liquid-cooled, SOHC, four-stroke engine, ensuring a balance of power and fuel efficiency. The engine is paired with Yamaha's Ultramatic® V-belt transmission, which includes High, Low, Neutral, Reverse, and Park, offering seamless power delivery and strong engine braking.

These models feature an On-Command® 2WD/4WD system, allowing riders to easily switch between two-wheel drive and four-wheel drive modes, enhancing traction and control on various terrains. The independent double wishbone front suspension and the rear swingarm suspension with five-way preload-adjustable shocks provide a smooth ride and improved handling.

The Grizzly 450s are equipped with hydraulic disc brakes on the front and sealed drum brakes on the rear, ensuring reliable stopping power. They have a sturdy frame with a steel cargo rack on both the front and rear, supporting a combined load capacity of 264 pounds. The fuel tank holds 3.8 gallons, including a 0.7-gallon reserve, enabling extended riding sessions.

Ergonomically designed, these ATVs offer a comfortable seat and well-positioned handlebars, making long rides less strenuous. With a ground clearance of 10.8 inches and 25-inch tires, they can navigate rugged terrains with ease. Additionally, the models come with a multifunction LCD digital display, providing essential information such as speed, fuel level, and maintenance indicators.

In terms of dimensions, the Grizzly 450 measures 81.3 inches in length, 46.5 inches in width, and 45.3 inches in height, with a wheelbase of 49.2 inches. These specifications make the Yamaha YFM45FGA and YFM45FGHA Grizzly 450 exceptional choices for those seeking a reliable and versatile ATV.

Yamaha YFM45FGA, YFM45FGHA Grizzly 450 2011 F.A.Q.

How often should I perform regular maintenance on my Yamaha YFM45FGA Grizzly 450 2011?

Regular maintenance such as oil changes, air filter cleaning, and lubrication should be performed every 20 hours of operation or every 160 miles, whichever comes first. Refer to the owner's manual for a detailed schedule.

What type of oil is recommended for the Yamaha YFM45FGHA Grizzly 450?

The recommended oil for the Yamaha YFM45FGHA Grizzly 450 is Yamalube 4, 10W-40 or an equivalent oil that meets or exceeds the JASO MA standard.

How can I troubleshoot starting issues with my Grizzly 450?

If your Grizzly 450 is having starting issues, check the battery for charge, inspect the spark plug for wear or fouling, and ensure there is sufficient fuel. Also, check the fuses and starter relay connections.

What is the proper procedure for cleaning the air filter on the Yamaha Grizzly 450?

To clean the air filter, remove it from the air box, wash it with a mild detergent and warm water, allow it to dry completely, and then apply a light coat of air filter oil before reinstalling it.

How do I adjust the idle speed on my Yamaha YFM45FGA?

To adjust the idle speed, locate the idle adjustment screw on the carburetor. Turn the screw clockwise to increase the idle speed and counterclockwise to decrease it. Make adjustments with the engine warm and the transmission in neutral.

What should I do if the Yamaha Grizzly 450 overheats?

If the Grizzly 450 overheats, stop the engine immediately and allow it to cool down. Check the coolant level and inspect the radiator for obstructions. Ensure that the fan is operational and the thermostat is functioning properly.

How do I maintain the brakes on my Grizzly 450?

Regularly inspect the brake pads for wear, check the brake fluid level, and ensure that the brake lines are free from leaks or damage. Replace any worn components and bleed the brakes if necessary to remove air from the system.

What type of coolant is recommended for the Yamaha YFM45FGHA Grizzly 450?

Use a high-quality ethylene glycol-based antifreeze coolant that is specifically designed for aluminum engines, diluted with distilled water in a 50/50 mixture.

How can I ensure the longevity of my Grizzly 450's battery?

To ensure battery longevity, keep the terminals clean and free from corrosion, maintain a full charge during periods of inactivity using a trickle charger, and store the ATV in a cool, dry place.

What are the steps to properly store the Yamaha Grizzly 450 for an extended period?

To store the Grizzly 450, clean it thoroughly, change the oil and filter, fill the fuel tank and add a fuel stabilizer, disconnect the battery, and cover the ATV with a breathable cover. Store it in a dry, sheltered location.