Yamaha YFM45FGPB, YFM45FGPHB Grizzly 450 2012 Owner's Manual

Yamaha YFM45FGPB, YFM45FGPHB Grizzly 450 2012 manual cover
Pages 170
Year 2012
Language(s)
English en

Yamaha YFM45FGPB, YFM45FGPHB Grizzly 450 2012 Specification

The Yamaha YFM45FGPB and YFM45FGPHB Grizzly 450 2012 models are robust all-terrain vehicles designed for reliability and versatility in off-road conditions. Both models are powered by a 421cc, liquid-cooled, SOHC, single-cylinder 4-stroke engine, ensuring a balance of power and efficiency. The engine is paired with Yamaha's Ultramatic V-belt transmission, providing seamless automatic shifting and optimal power delivery across various terrains.

The Grizzly 450 features a durable steel frame, engineered for rigidity and durability, which enhances stability and handling. The independent double-wishbone suspension system on both front and rear, with 5-way preload-adjustable shocks, offers superior ride comfort and improved ground clearance, making it adept at handling rough trails.

Equipped with a selectable On-Command 4WD system, the Grizzly 450 allows riders to switch between 2WD, 4WD, and 4WD with differential lock, offering versatility for different riding conditions. The vehicle is also outfitted with hydraulic disc brakes on the front and a sealed drum brake on the rear, providing consistent and reliable stopping power.

The Grizzly 450 includes practical features such as a digital LCD multifunction display, which provides essential information at a glance, and front and rear cargo racks with a combined load capacity of 264 lbs, enhancing its utility for work and recreation. The fuel tank has a capacity of 3.8 gallons, ensuring extended riding sessions without frequent refueling.

Aesthetic and ergonomic design considerations include a comfortable seat, easy-to-reach controls, and durable bodywork that can withstand harsh environments. The Yamaha YFM45FGPB and YFM45FGPHB Grizzly 450 2012 models exemplify Yamaha's commitment to quality and performance in the ATV market, catering to both recreational riders and those needing a reliable workhorse for demanding tasks.

Yamaha YFM45FGPB, YFM45FGPHB Grizzly 450 2012 F.A.Q.

What is the recommended oil type and capacity for the Yamaha Grizzly 450 2012?

The recommended oil type for the Yamaha Grizzly 450 2012 is 10W-40, and the oil capacity is approximately 2.22 quarts (2.1 liters) with a filter change.

How often should I change the oil in my Yamaha Grizzly 450 2012?

It is recommended to change the oil every 160 hours of operation or at least once a year, whichever comes first. More frequent changes may be necessary under severe conditions.

What is the correct tire pressure for the Yamaha Grizzly 450 2012?

The recommended tire pressure is 4 psi for the front tires and 4 psi for the rear tires under normal conditions. Always check the tire pressure when the tires are cold.

How can I troubleshoot starting issues with my Yamaha Grizzly 450 2012?

If the ATV won't start, check the battery connections, ensure the fuel valve is on, and verify that the engine stop switch is in the 'RUN' position. If these are fine, check the spark plug and fuel supply.

What is the proper way to clean the air filter on a Yamaha Grizzly 450 2012?

To clean the air filter, remove it from the air box, wash it with a mild detergent, rinse thoroughly, and let it dry completely. Apply a light coat of foam air filter oil before reinstalling.

How often should I check the brake fluid level on my Yamaha Grizzly 450 2012?

The brake fluid level should be checked before each ride. Ensure the fluid is above the minimum level and top it up with DOT 4 brake fluid if necessary.

What should I do if the Yamaha Grizzly 450 2012 overheats?

If the ATV overheats, stop the engine immediately and allow it to cool down. Check the coolant level and ensure the radiator is not blocked by debris. If the problem persists, inspect the fan and thermostat.

How do I adjust the idle speed on the Yamaha Grizzly 450 2012?

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

What is the maintenance schedule for the Yamaha Grizzly 450 2012?

Regular maintenance includes inspecting the air filter every 20 hours, changing the oil every 160 hours, checking the brake fluid and coolant levels regularly, and examining tires and brakes for wear. Consult the owner's manual for a detailed schedule.

How do I replace the spark plug on a Yamaha Grizzly 450 2012?

To replace the spark plug, remove the spark plug cap and use a spark plug socket to unscrew the old plug. Install the new spark plug by hand initially, then tighten with the socket. Ensure the gap is set to 0.8-0.9mm before installation.