Yamaha YFM4FGW Grizzly 400 2007 Owner's Manual

Yamaha YFM4FGW Grizzly 400 2007 manual cover
Pages 172
Year 2007
Language(s)
English en

Yamaha YFM4FGW Grizzly 400 2007 Specification

The Yamaha YFM4FGW Grizzly 400 2007 is a robust all-terrain vehicle (ATV) designed for both recreational and utility purposes. This model is powered by a reliable 401cc, air/oil-cooled, SOHC, 4-stroke engine that delivers substantial torque and power, making it capable of handling challenging terrains. The engine is paired with a Ultramatic V-belt with all-wheel engine braking, a continuously variable transmission (CVT) that provides smooth and efficient power delivery.

For suspension, the Grizzly 400 is equipped with an independent double wishbone front suspension with 5-way preload adjustment and a rear swingarm with a single shock and 5-way preload adjustment. This setup ensures optimal handling and comfort over rugged landscapes. The braking system includes dual hydraulic discs at the front and a sealed drum brake at the rear, offering reliable stopping power in various conditions.

The ATV features On-Command 2WD/4WD with a convenient push-button system, allowing the rider to switch between modes seamlessly. The Grizzly 400 has a durable chassis with a ground clearance of 10.8 inches, giving it the capability to navigate obstacles with ease. The fuel tank capacity is 4.0 gallons, providing ample range for extended rides.

Aesthetic and functional aspects include a rugged design with front and rear cargo racks, capable of carrying substantial loads for work or gear for adventures. The digital instrument panel provides essential information such as speed, fuel level, and trip meters, ensuring the rider is well-informed at all times. With its blend of power, versatility, and durability, the Yamaha YFM4FGW Grizzly 400 2007 remains a go-to choice for enthusiasts and professionals alike.

Yamaha YFM4FGW Grizzly 400 2007 F.A.Q.

How do I change the oil on my Yamaha YFM4FGW Grizzly 400 2007?

To change the oil, warm up the engine, turn it off, and place an oil pan under the engine. Remove the oil drain plug and let the oil drain completely. Replace the drain plug and remove the oil filter. Install a new oil filter and refill the engine with the recommended oil. Always check the oil level with the dipstick after filling.

What type of oil should I use for the Yamaha Grizzly 400?

For the Yamaha YFM4FGW Grizzly 400, it is recommended to use a 4-stroke engine oil with a viscosity of 10W-40. Ensure the oil meets or exceeds the API service classification of SG or higher.

How can I troubleshoot starting issues with my Grizzly 400?

If your Grizzly 400 won't start, check the battery charge and connections, inspect the spark plug for damage or wear, and ensure there is fresh fuel in the tank. Additionally, check the fuses and the condition of the air filter.

What is the recommended tire pressure for the Yamaha Grizzly 400?

For the Yamaha YFM4FGW Grizzly 400, the recommended tire pressure is typically around 4 psi for the front tires and 5 psi for the rear tires. Always refer to the owner’s manual for the most accurate specifications.

How often should I service my Yamaha Grizzly 400?

It is recommended to perform basic maintenance, such as oil changes and air filter inspections, every 6 months or 600 miles, whichever comes first. More comprehensive servicing should be done annually or every 1,800 miles.

What should I do if my ATV is overheating?

If your Grizzly 400 is overheating, check the coolant level and ensure the radiator is not blocked. Inspect the fan operation and thermostat. It's important to check for any leaks in the coolant system.

How do I adjust the brakes on the Yamaha Grizzly 400?

To adjust the brakes, locate the brake adjuster at the wheel. Turn the adjuster to tighten or loosen the brake as needed. Ensure the brakes are not too tight to avoid dragging, and test the brakes after adjustment.

What fuel should I use for the Yamaha YFM4FGW Grizzly 400?

Use unleaded gasoline with a minimum octane rating of 87 for the Yamaha YFM4FGW Grizzly 400. Avoid using fuel with more than 10% ethanol to prevent engine damage.

How do I replace the spark plug on my Grizzly 400?

To replace the spark plug, first remove the spark plug cap. Use a spark plug wrench to remove the old spark plug. Install a new spark plug by hand to prevent cross-threading, then tighten it with the wrench. Reattach the spark plug cap.

What should I do if my Grizzly 400's transmission is slipping?

If the transmission is slipping, check the transmission fluid level and quality. If the fluid is low or dirty, replace it as per the manual's instructions. If the issue persists, inspect the clutch for wear or damage and consult a professional mechanic.