Yamaha YFM250BT Bruin 250 2005 Owner's Manual

Yamaha YFM250BT Bruin 250 2005 manual cover

Pages 178

Year 2005

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Yamaha YFM250BT Bruin 250 2005 Specification

The Yamaha YFM250BT Bruin 250, introduced in 2005, is a robust all-terrain vehicle (ATV) engineered for versatility and reliability. This model features a 249cc, air-cooled, SOHC, 4-stroke engine that delivers dependable power and performance across a range of conditions. The engine is paired with a five-speed manual transmission, including a reverse gear, which provides smooth and responsive handling for both novice and experienced riders.

The Bruin 250 boasts a durable steel frame and a double wishbone front suspension with 5.9 inches of travel, ensuring a comfortable and stable ride over rough terrain. The rear suspension consists of a swingarm design with a single shock absorber, also offering 5.9 inches of travel, which enhances the vehicle's ability to navigate uneven surfaces with ease.

Equipped with hydraulic disc brakes on the front and sealed drum brakes on the rear, the YFM250BT ensures reliable stopping power in various conditions. The ATV rides on 22-inch tires, providing excellent traction and stability. The fuel tank has a capacity of 3.4 gallons, including a 0.66-gallon reserve, allowing for extended riding sessions without frequent refueling.

Additional features include a multifunctional digital display for monitoring speed, fuel level, and engine diagnostics, enhancing the user experience by providing essential information at a glance. The Bruin 250 also incorporates a robust cargo rack system, enabling riders to carry tools, equipment, or supplies conveniently.

Overall, the 2005 Yamaha YFM250BT Bruin 250 stands out as a reliable and versatile ATV, suitable for recreational riding, farm work, and a variety of outdoor activities. Its combination of a powerful engine, effective suspension system, and practical features makes it a valuable asset for those seeking a dependable off-road vehicle.

Yamaha YFM250BT Bruin 250 2005 F.A.Q.

What type of oil should I use for my Yamaha YFM250BT Bruin 250 2005?

It is recommended to use a 10W-40 or 20W-40 four-stroke motorcycle oil for optimal performance and engine protection.

How often should I change the oil on my Yamaha Bruin 250?

The oil should be changed every 600 miles or every 6 months, whichever comes first. Regular oil changes help maintain engine health.

What is the correct tire pressure for the Yamaha YFM250BT Bruin 250?

The recommended tire pressure is 4.4 psi for the front tires and 3.6 psi for the rear tires. Always check the pressure when tires are cold.

How do I troubleshoot starting issues with my Yamaha Bruin 250?

Check the battery for charge, ensure the fuel is fresh, inspect the spark plug for wear, and verify the kill switch is in the correct position.

Why is my Yamaha Bruin 250 overheating?

Overheating can be caused by low coolant levels, a clogged radiator, or a malfunctioning thermostat. Ensure coolant is topped up and inspect the radiator for debris.

How can I improve the fuel efficiency of my Yamaha YFM250BT?

Maintain proper tire pressure, perform regular maintenance, ensure the air filter is clean, and avoid carrying unnecessary weight.

What should I do if the brakes on my Yamaha Bruin 250 feel spongy?

Check for air in the brake lines and bleed the brakes if necessary. Also inspect the brake pads for wear and replace if they are worn down.

How do I adjust the chain on my Yamaha YFM250BT Bruin 250?

Loosen the axle nut, adjust the chain tension using the adjusters on both sides, and ensure the chain has about 1 inch of slack in the middle. Tighten the axle nut after adjustment.

What is the spark plug gap for the Yamaha YFM250BT Bruin 250?

The recommended spark plug gap is 0.6 - 0.7 mm (0.024 - 0.028 inches). Ensure to check the gap with a feeler gauge when replacing the spark plug.

How can I clean the carburetor on my Yamaha Bruin 250?

Remove the carburetor from the engine, disassemble it, and clean each part using a carburetor cleaner. Pay special attention to the jets and passages. Reassemble and install it back after cleaning.