Yamaha YFZ45YSXJ, YFZ45YSSJ YFZ 450R 2018 Owner's Manual

Yamaha YFZ45YSXJ, YFZ45YSSJ YFZ 450R 2018 manual cover
Pages 156
Year 2018
Language(s)
English en

Yamaha YFZ45YSXJ, YFZ45YSSJ YFZ 450R 2018 Specification

The 2018 Yamaha YFZ450R is a high-performance all-terrain vehicle (ATV) designed for racing enthusiasts seeking top-tier performance and advanced engineering. Powered by a 449cc liquid-cooled, 4-stroke, DOHC engine with a 5-valve titanium head, the YFZ450R delivers exceptional power and response. The fuel injection system ensures precise fuel delivery, enhancing both performance and efficiency. This ATV features a lightweight aluminum/steel hybrid frame designed to offer a perfect balance of rigidity and flexibility, providing superior handling and stability during high-speed maneuvers.

The YFZ450R is equipped with a race-ready suspension system, including fully adjustable front shocks with 9.8 inches of travel and a rear shock offering 11 inches of travel. This setup allows for optimal shock absorption and handling on various terrains. The aggressive styling is complemented by ergonomic design elements, such as a comfortable seat and a narrow chassis, which improve rider comfort and control during extended use.

A high-performance braking system features dual front hydraulic disc brakes and a single rear hydraulic disc brake, ensuring reliable stopping power under all conditions. The ATV is also outfitted with 20-inch rear tires and 21-inch front tires, providing excellent traction and durability.

Additional features include a robust 5-speed manual transmission with a heavy-duty clutch, ensuring smooth gear transitions and durability under high stress. The YFZ450R also includes a convenient electric start system, making it easy to get up and running quickly. Overall, the 2018 Yamaha YFZ450R combines advanced technology, superior engineering, and thoughtful design to deliver an unparalleled ATV experience for serious racers and enthusiasts alike.

Yamaha YFZ45YSXJ, YFZ45YSSJ YFZ 450R 2018 F.A.Q.

How do I perform regular maintenance on a Yamaha YFZ 450R 2018?

To maintain your Yamaha YFZ 450R 2018, regularly check and change the oil, clean the air filter, inspect the brakes, and tighten any loose bolts. Always refer to the user manual for specific maintenance intervals and procedures.

What type of oil should I use for the Yamaha YFZ 450R 2018?

It's recommended to use a high-quality 4-stroke motorcycle oil with the appropriate viscosity as specified in the owner’s manual, typically 10W-40 or 10W-50 depending on your climate conditions.

How do I troubleshoot starting issues with my Yamaha YFZ 450R 2018?

If your Yamaha YFZ 450R 2018 won't start, check the battery charge, ensure the fuel is fresh, inspect the spark plug for fouling, and verify that the kill switch is not engaged.

What is the recommended tire pressure for the Yamaha YFZ 450R 2018?

The recommended tire pressure for the Yamaha YFZ 450R 2018 is typically around 4 psi for the front tires and 4.5 psi for the rear tires. Always check the manual for the most accurate specifications.

How do I adjust the suspension on my Yamaha YFZ 450R 2018?

To adjust the suspension on a Yamaha YFZ 450R 2018, use the adjustment knobs to set the preload, compression, and rebound damping according to your riding preference and terrain. Detailed instructions can be found in the owner’s manual.

What should I do if the engine of my Yamaha YFZ 450R 2018 overheats?

If your Yamaha YFZ 450R 2018 engine overheats, stop the vehicle immediately, allow it to cool down, check the coolant level, and inspect the radiator for blockages. Consult a professional if the problem persists.

How do I clean the air filter on my Yamaha YFZ 450R 2018?

Remove the air filter cover, take out the filter, and clean it using a mild detergent. After it's dry, apply air filter oil before reinstalling it. Ensure it's seated correctly to prevent dirt from entering the engine.

What are the signs of a worn-out clutch on a Yamaha YFZ 450R 2018?

Signs of a worn-out clutch include difficulty shifting gears, a slipping clutch, and unusual noises when the clutch is engaged. If you experience these symptoms, inspect the clutch plates and replace them if necessary.

How often should I replace the spark plug on my Yamaha YFZ 450R 2018?

It's recommended to inspect and potentially replace the spark plug every 6 months or 3,000 miles, whichever comes first. Always use the spark plug type specified in the owner’s manual.

What kind of coolant should I use for my Yamaha YFZ 450R 2018?

Use a high-quality ethylene glycol-based coolant with corrosion inhibitors, designed specifically for aluminum engines, as recommended in the owner’s manual for the Yamaha YFZ 450R 2018.