Yamaha YFZ450SEW YFZ 450 2007 Owner's Manual

Yamaha YFZ450SEW YFZ 450 2007 manual cover
Pages 170
Year 2007
Language(s)
English en

Yamaha YFZ450SEW YFZ 450 2007 Specification

The 2007 Yamaha YFZ450SEW, a special edition of the YFZ450, is a high-performance all-terrain vehicle (ATV) designed for serious off-road enthusiasts and competitive racers. This model is powered by a 449cc liquid-cooled, 4-stroke, single-cylinder engine equipped with a 5-valve titanium head, delivering exceptional power and throttle response. The engine is paired with a 5-speed manual transmission, enabling precise control and flexibility over various terrains. The YFZ450SEW features a lightweight aluminum/steel hybrid frame that enhances handling and durability, complemented by a fully adjustable suspension system. The front suspension consists of independent double wishbones with 9.1 inches of travel, while the rear suspension includes a swingarm with 10.1 inches of travel, ensuring optimal shock absorption and stability.

This ATV is equipped with dual hydraulic disc brakes on the front and a single hydraulic disc brake on the rear, providing reliable stopping power. The YFZ450SEW also includes 21-inch front tires and 20-inch rear tires, offering excellent traction and control. The special edition model boasts unique styling elements, including a distinctive color scheme and graphics, as well as upgraded components such as a GYTR front grab bar and a GYTR heel guard. The ergonomic design includes a comfortable seat and well-positioned handlebars, enhancing rider comfort during extended use. Overall, the 2007 Yamaha YFZ450SEW stands out for its robust performance, advanced engineering, and specialized features, making it a top choice for ATV enthusiasts and competitive riders alike.

Yamaha YFZ450SEW YFZ 450 2007 F.A.Q.

What is the recommended oil type and capacity for the 2007 Yamaha YFZ450SEW?

The recommended oil type for the 2007 Yamaha YFZ450SEW is 10W-40, and the oil capacity is approximately 1.95 liters (2.06 US quarts) when changing the oil and filter.

How often should the air filter be cleaned or replaced on the YFZ450SEW?

The air filter should be checked and cleaned every 20 hours of riding or more frequently in dusty conditions. Replace the air filter if it shows signs of excessive wear or damage.

What is the correct spark plug gap for the Yamaha YFZ450SEW?

The correct spark plug gap for the Yamaha YFZ450SEW is 0.6 - 0.7 mm (0.024 - 0.028 inches).

How can I troubleshoot starting issues with my YFZ450SEW?

If your YFZ450SEW is having starting issues, check the battery charge, inspect the spark plug, ensure the fuel is fresh, and verify that the fuel valve is open. Also, check the starter relay and fuses.

What maintenance steps should be performed before and after each ride on the YFZ450SEW?

Before each ride, check the tire pressure, inspect the brakes and throttle, and ensure the chain is properly lubricated. After each ride, clean the ATV, inspect for any loose bolts or parts, and check fluid levels.

What is the recommended tire pressure for the YFZ450SEW?

The recommended tire pressure for the front tires is 4 psi (27.6 kPa) and for the rear tires is 4 psi (27.6 kPa). Adjust according to load and terrain.

How do I adjust the chain tension on the Yamaha YFZ450SEW?

To adjust the chain tension, first loosen the axle nut, then adjust the chain tensioner bolts evenly on both sides until the desired tension is achieved (approximately 1-1.5 inches of slack), and finally retighten the axle nut.

What is the procedure to check the coolant level on a YFZ450SEW?

To check the coolant level, ensure the engine is cool, remove the radiator cap, and verify that the coolant is at the top of the radiator. Also, check the coolant reservoir to ensure it's between the "Full" and "Low" marks.

How can I identify and fix brake issues on the YFZ450SEW?

Inspect the brake pads for wear and replace them if necessary. Check for leaks in the brake lines and ensure the brake fluid is at the correct level. Bleed the brakes if they feel spongy.

What regular maintenance should be performed on the Yamaha YFZ450SEW's suspension system?

Regularly inspect the suspension system for leaks or damage, ensure all bolts are tight, and check the condition of the shock absorbers. Adjust the suspension settings according to your riding style and terrain.