Yamaha YZ450FB 2012 Owner's Manual

Yamaha YZ450FB 2012 manual cover
Pages 316
Year 2012
Language(s)
English en

Yamaha YZ450FB 2012 Specification

The 2012 Yamaha YZ450FB is a high-performance motocross motorcycle designed for competitive racing and advanced riders. It features a 449cc liquid-cooled, DOHC four-stroke engine with a five-valve titanium head, delivering robust power and torque across a broad RPM range. The engine is paired with a five-speed transmission that offers precise shifting and versatility for various track conditions.

The YZ450FB is built on a lightweight aluminum bilateral beam frame, which provides exceptional rigidity and balance, enhancing handling and stability. The suspension system includes fully adjustable KYB front forks and a rear shock, offering superior damping and rebound characteristics to handle rough terrains and jumps effectively. The bike also features a high-performance braking system with wave rotors, ensuring reliable stopping power with excellent heat dissipation.

Ergonomically, the YZ450FB is designed for rider comfort and control. The seat, handlebars, and footpegs are strategically positioned to allow for natural movement and an aggressive riding stance. The bike is equipped with a compact digital display that provides essential information at a glance. The fuel tank, with a capacity of 1.6 gallons, is ergonomically shaped to facilitate rider movement and maintain a low center of gravity.

Additional features include a high-flow air filter for improved engine breathability, a robust chain guide for increased durability, and lightweight wheels to minimize unsprung weight. The 2012 Yamaha YZ450FB is also adorned with aggressive graphics and a sleek body design, emphasizing its competitive nature. Overall, the YZ450FB stands out as a powerful, agile, and reliable motocross machine, engineered to meet the demands of professional racing and serious enthusiasts.

Yamaha YZ450FB 2012 F.A.Q.

What is the recommended oil type for the Yamaha YZ450FB 2012?

The recommended oil type for the Yamaha YZ450FB 2012 is SAE 10W-40, with an API service grade of SG or higher.

How often should I replace the air filter on my Yamaha YZ450FB 2012?

The air filter should be checked and cleaned after every ride. Replacement is advised if the filter is damaged or excessively dirty, typically every 15-30 hours of use.

What is the correct tire pressure for the Yamaha YZ450FB 2012?

The recommended tire pressure for the Yamaha YZ450FB 2012 is 15 psi for both the front and rear tires.

How do I troubleshoot starting issues with my Yamaha YZ450FB 2012?

Check the battery charge, ensure the fuel is fresh, inspect the spark plug for fouling, and verify the fuel delivery system is not clogged.

What is the service interval for valve clearance checks on the Yamaha YZ450FB 2012?

Valve clearance should be checked every 20 hours of operation to ensure optimal engine performance.

How can I adjust the suspension settings on my Yamaha YZ450FB 2012 for better performance?

Refer to the owner's manual for specific settings, adjust the compression and rebound damping according to your weight and riding conditions.

What should I do if my Yamaha YZ450FB 2012 overheats during a ride?

Stop the bike immediately, let the engine cool down, check coolant levels, inspect the radiator for blockages, and ensure the cooling fan is operational.

How do I maintain the chain on my Yamaha YZ450FB 2012?

Clean and lubricate the chain after every ride, check for proper tension and adjust as necessary, and inspect for wear or damage regularly.

What type of coolant should be used in the Yamaha YZ450FB 2012?

Use a high-quality ethylene glycol-based antifreeze containing corrosion inhibitors for aluminum engines, mixed with distilled water.

How do I replace the spark plug on my Yamaha YZ450FB 2012?

Remove the seat and fuel tank to access the spark plug, disconnect the ignition coil, use a spark plug socket to remove the old plug, and install a new one with the correct gap.