Yamaha YZ250D 2014 Owner's Manual

Yamaha YZ250D 2014 manual cover
Pages 250
Year 2014
Language(s)
English en

Yamaha YZ250D 2014 Specification

The Yamaha YZ250D 2014 is a high-performance motocross bike known for its exceptional power and agility. It features a 249cc two-stroke engine, which is liquid-cooled and equipped with Yamaha's proprietary YPVS (Yamaha Power Valve System). This engine configuration delivers robust power across the RPM range, making it highly competitive in off-road racing environments. The bike's chassis is constructed from an advanced aluminum frame that provides a perfect balance between strength and lightweight handling, enhancing maneuverability and durability on rough terrains.

The suspension system comprises a fully adjustable KYB Speed-Sensitive System (SSS) fork at the front and a KYB shock with adjustable preload, compression, and rebound damping at the rear. This setup ensures superior handling and stability over various track conditions. The braking system includes powerful hydraulic disc brakes, with a 250mm front rotor and a 245mm rear rotor, offering precise stopping power and control.

The Yamaha YZ250D 2014 also features a lightweight, slim body design with an aggressive styling that enhances rider ergonomics. The seat is positioned to provide maximum comfort and control, while the handlebar design allows for a natural riding posture. The bike comes equipped with Excel rims and Dunlop tires, ensuring excellent grip and durability. Additionally, the YZ250D's fuel tank has a capacity of 8 liters, allowing for extended riding periods without frequent refueling.

Overall, the Yamaha YZ250D 2014 is engineered to deliver top-tier performance with its powerful engine, advanced suspension, and ergonomic design, making it a preferred choice for serious motocross enthusiasts and professional racers.

Yamaha YZ250D 2014 F.A.Q.

What is the recommended oil type for the Yamaha YZ250D 2014?

The recommended oil type for the Yamaha YZ250D 2014 is Yamalube 2-R or a high-quality synthetic 2-stroke oil.

How can I troubleshoot starting issues with my Yamaha YZ250D 2014?

Check the spark plug for fouling, ensure the fuel is fresh, inspect the air filter for cleanliness, and verify the carburetor settings are correct.

What is the proper way to clean the air filter on the Yamaha YZ250D 2014?

Remove the air filter, wash it in warm soapy water, rinse thoroughly, let it dry completely, and apply air filter oil before reinstalling.

How often should I change the transmission oil on my Yamaha YZ250D 2014?

It is recommended to change the transmission oil every 10 hours of riding or more frequently if riding in harsh conditions.

What should I do if the Yamaha YZ250D 2014 engine overheats?

Stop the bike immediately, let the engine cool down, check the coolant level, and inspect the radiator for blockages or damage.

How can I adjust the suspension settings on the Yamaha YZ250D 2014 for better performance?

Refer to the owner’s manual for baseline settings, then adjust the compression and rebound damping on the forks and shock to match your riding style and terrain.

What is the correct spark plug gap for the Yamaha YZ250D 2014?

The correct spark plug gap for the Yamaha YZ250D 2014 is 0.7-0.8 mm (0.028-0.031 inches).

How do I maintain the chain on my Yamaha YZ250D 2014?

Regularly clean the chain with a brush and chain cleaner, lubricate it with a suitable chain lube, and ensure it is properly tensioned according to the manual.

What tire pressure is recommended for the Yamaha YZ250D 2014?

The recommended tire pressure for the Yamaha YZ250D 2014 is 12 psi for the front tire and 12 psi for the rear tire. Adjust based on terrain and riding conditions.

How can I improve the throttle response on my Yamaha YZ250D 2014?

Ensure the carburetor is clean and properly jetted, check the throttle cable for proper tension and condition, and consider upgrading to a high-performance air filter.