Yamaha WR250FS 2004 Owner's Manual

Pages 346

Year 2004

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Yamaha WR250FS 2004 Specification

The Yamaha WR250FS 2004 is an off-road motorcycle engineered to deliver exceptional performance in a variety of terrains. It features a 249cc, liquid-cooled, four-stroke engine, which provides a robust power output and efficient fuel consumption. The engine is paired with a five-speed transmission, ensuring smooth and precise gear shifts. The bike incorporates a DOHC (Double Overhead Camshaft) configuration with five titanium valves, enhancing its high-revving capabilities and overall durability.

The chassis is constructed from lightweight aluminum, contributing to improved agility and handling. The suspension system consists of fully adjustable, 46mm KYB inverted front forks and a fully adjustable rear shock, offering superior comfort and stability over rough surfaces. The braking system includes a 250mm front disc and a 245mm rear disc, delivering reliable stopping power in various conditions.

A digital enduro computer is integrated into the design, providing essential riding information such as speed, distance, and time. The WR250FS also features an electric start system, ensuring convenience and ease of use. Its fuel tank has a capacity of 2.1 gallons, suitable for extended rides without frequent refueling.

The ergonomics of the Yamaha WR250FS are tailored for comfort and control, with a narrow seat and a slim body design that allows for easy maneuvering. The bike's overall weight is approximately 249 lbs, making it manageable for riders of different skill levels. Additionally, the WR250FS meets stringent environmental standards with its emissions-compliant exhaust system.

In summary, the Yamaha WR250FS 2004 combines advanced engineering with user-friendly features, making it a versatile and reliable choice for off-road enthusiasts. Its powerful engine, robust chassis, and cutting-edge technology ensure a high-performance riding experience.

Yamaha WR250FS 2004 F.A.Q.

How do I change the oil on my Yamaha WR250FS 2004?

To change the oil, warm up the engine, remove the skid plate, and place an oil pan under the drain bolt located at the bottom of the engine. Remove the drain bolt and oil filter cover to let the old oil and filter drain. Replace the oil filter with a new one, reinstall the drain bolt, and refill with the recommended oil type and amount.

What type of spark plug should I use for a Yamaha WR250FS 2004?

The recommended spark plug for the Yamaha WR250FS 2004 is the NGK CR8E or equivalent. Ensure it is gapped correctly according to the manual specifications before installation.

How do I adjust the chain tension on my Yamaha WR250FS 2004?

To adjust the chain tension, place the bike on a stand to lift the rear wheel. Loosen the axle nut and adjust the chain tension using the adjusters on each side of the swingarm until the chain has about 1.2-1.6 inches of slack. Tighten the axle nut securely once adjusted.

What is the correct tire pressure for the Yamaha WR250FS 2004?

The recommended tire pressure for the Yamaha WR250FS 2004 is approximately 15 psi for the front tire and 15-18 psi for the rear tire, depending on the terrain and rider preference. Adjust as needed for different conditions.

How can I troubleshoot starting issues with my Yamaha WR250FS 2004?

If your bike won't start, check the fuel level, battery charge, and spark plug condition. Ensure the kill switch is set to 'run' and the fuel tap is on. If the issue persists, inspect the carburetor and fuel lines for blockage or damage.

What is the recommended maintenance schedule for the Yamaha WR250FS 2004?

Regular maintenance includes changing the oil every 600 miles, checking and cleaning the air filter every ride, inspecting the spark plug every 1,200 miles, and checking the valves every 2,400 miles. Refer to the owner's manual for a comprehensive schedule.

How do I clean and oil the air filter on my Yamaha WR250FS 2004?

Remove the seat and air box cover to access the air filter. Take out the filter and wash it with a suitable cleaner. Once dry, apply air filter oil evenly and reinstall it, ensuring it's seated properly in the air box.

What should I do if my Yamaha WR250FS 2004 overheats?

If the bike overheats, stop and let it cool down. Check the coolant level and inspect the radiator for blockages or damage. Ensure the cooling fan is operational and consider flushing the cooling system if the issue persists.

How do I bleed the brakes on a Yamaha WR250FS 2004?

To bleed the brakes, attach a clear tube to the brake caliper bleeder valve, and submerge the other end in a container with brake fluid. Pump the brake lever and open the bleeder valve to release air and old fluid. Close the valve and repeat until no air bubbles appear. Refill the reservoir as needed.

What type of coolant is recommended for the Yamaha WR250FS 2004?

Use a high-quality ethylene glycol-based coolant with corrosion inhibitors designed for aluminum engines. Ensure it is mixed with distilled water at a 50/50 ratio for optimal performance.