Yamaha YZ450FXH 2017 Owner's Manual

Yamaha YZ450FXH 2017 manual cover
Pages 414
Year 2017
Language(s)
English en

Yamaha YZ450FXH 2017 Specification

The Yamaha YZ450FXH 2017 is a high-performance off-road motorcycle designed for cross-country racing and trail riding. It is powered by a potent 449cc liquid-cooled, DOHC, four-stroke engine, which delivers exceptional power and torque across a broad RPM range. The engine features a forward-positioned straight intake and a rearward-slanted cylinder, optimizing mass centralization and enhancing handling stability. The motorcycle employs Yamaha's proprietary Fuel Injection (FI) system, ensuring precise fuel delivery and consistent engine performance under varying conditions.

The YZ450FXH 2017 is equipped with a robust aluminum bilateral beam frame, providing a balance of rigidity and flex for superior handling and rider feedback. Its suspension system features fully adjustable KYB® speed-sensitive forks and a KYB® rear shock, both offering exceptional damping characteristics and tunability to suit different terrains and rider preferences. The motorcycle's braking system includes wave-style rotors, with a 270mm front disc and a 245mm rear disc, delivering strong and reliable stopping power.

The YZ450FXH 2017 also incorporates several off-road-specific features, such as an 18-inch rear wheel, wide-ratio 5-speed transmission, and a larger fuel tank, allowing for extended riding time between refuels. The electric start system, coupled with a high-capacity battery, ensures quick and reliable engine ignition, even in challenging conditions. The ergonomics of the motorcycle are tailored for aggressive riding, with a flat seat, slim bodywork, and strategically positioned handlebars and footpegs, offering maximum control and comfort.

Overall, the Yamaha YZ450FXH 2017 is a versatile and capable machine, engineered to excel in the demanding environments of cross-country and off-road riding. Its combination of advanced engine technology, refined chassis, and rider-focused features make it a top choice for riders seeking performance and reliability.

Yamaha YZ450FXH 2017 F.A.Q.

How do I properly break in the engine on my 2017 Yamaha YZ450FXH?

To break in the engine, start by riding at low to moderate speeds for the first 30 minutes. Avoid high RPMs and full throttle during this period. Gradually increase speed and load over the next few hours. Change the oil and filter after the initial break-in period.

What is the recommended oil type and capacity for the YZ450FXH?

The recommended oil type is a high-quality 4-stroke engine oil with a viscosity of 10W-40. The oil capacity is approximately 1.1 liters (1.16 US quarts) when changing the oil and filter.

How can I troubleshoot starting issues on my YZ450FXH?

Check the battery for charge and connections. Ensure the fuel system is supplying fuel and check the spark plug for fouling or wear. Inspect the kill switch and other electrical connections for proper function.

What regular maintenance should I perform to keep my YZ450FXH in top condition?

Regular maintenance includes checking and cleaning the air filter, changing the oil and filter every 10-15 hours of riding, inspecting the chain for tension and lubrication, and checking tire pressure and brake function.

How do I adjust the suspension settings on the YZ450FXH?

To adjust the suspension, refer to the owner's manual for baseline settings. Use the clickers on the fork and shock to adjust compression and rebound damping to suit your riding style and terrain.

My YZ450FXH is overheating, what could be the cause?

Possible causes of overheating include low coolant levels, a clogged radiator, or a malfunctioning thermostat. Check for leaks, clean the radiator fins, and ensure the cooling fan is operating correctly.

What type of spark plug should I use for my YZ450FXH?

Use an NGK CR8E or equivalent spark plug. Ensure it is gapped correctly to 0.7-0.8 mm (0.028-0.031 inches) for optimal performance.

How often should I replace the air filter on my YZ450FXH?

Replace or clean the air filter after every ride in dusty conditions. In normal conditions, inspect and clean the air filter every 5-10 hours of riding. Replace it if it shows signs of damage or excessive dirt.

What are common issues with the YZ450FXH fuel system and how can I fix them?

Common issues include clogged fuel injectors and a dirty fuel filter. Regularly clean the injectors and replace the fuel filter to prevent blockages. Ensure the fuel tank is free of contaminants.

How do I check and adjust the valve clearance on my YZ450FXH?

To check valve clearance, remove the valve cover and use a feeler gauge to measure the gap between the cam lobe and valve shim. Adjust as necessary by replacing the shims with the correct thickness to match specifications.