Yamaha YZ85T 2004 Owner's Manual

Pages 244

Year 2005

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Yamaha YZ85T 2004 Specification

The Yamaha YZ85T 2004 is a high-performance motocross bike designed for young riders and aspiring motocross champions. Engineered with precision, the YZ85T features a liquid-cooled, 84.7cc, single-cylinder, two-stroke engine that delivers robust power and quick acceleration. The reed valve induction system enhances fuel efficiency and throttle response, making it a competitive choice for various racing conditions.

The six-speed transmission ensures seamless gear transitions, providing riders with optimal control and flexibility on the track. The YZ85T is equipped with a 36mm inverted telescopic fork front suspension and a fully adjustable rear shock, offering superior handling and stability over rough terrain. The bike's lightweight steel frame contributes to its agility and maneuverability, essential for tackling sharp turns and jumps.

Braking performance is secured by the hydraulic disc brakes on both the front and rear wheels, ensuring reliable stopping power under all conditions. The 17-inch front and 14-inch rear wheels are fitted with knobby tires designed for exceptional grip and traction on dirt surfaces. The ergonomically designed seat and handlebar layout provide comfort and control, allowing riders to maintain an aggressive yet manageable riding posture.

The Yamaha YZ85T 2004 also boasts a sleek and aggressive aesthetic, with the Yamaha Blue color scheme and durable plastic body panels that can withstand the rigors of motocross racing. Overall, the Yamaha YZ85T 2004 stands out as a well-rounded, youth-focused motocross bike that combines power, agility, and reliability, making it an excellent choice for budding motocross enthusiasts.

Yamaha YZ85T 2004 F.A.Q.

What is the recommended tire pressure for a Yamaha YZ85T 2004?

The recommended tire pressure for the Yamaha YZ85T 2004 is typically 12 psi for both the front and rear tires. Always check the manual for specific conditions and adjust accordingly.

How often should I change the oil on my Yamaha YZ85T 2004?

It is recommended to change the oil every 10 hours of riding or after every race, whichever comes first. Frequent oil changes help maintain optimal engine performance.

How do I adjust the chain tension on a Yamaha YZ85T 2004?

To adjust the chain tension, place the bike on a stand, loosen the axle nut, adjust the chain tension bolts evenly on both sides, and ensure there is 1.2-1.6 inches of slack at the tightest point. Tighten the axle nut afterwards.

What type of spark plug should be used in a Yamaha YZ85T 2004?

The recommended spark plug for the Yamaha YZ85T 2004 is the NGK BR9ECM. Always ensure the spark plug gap is set to the manufacturer's specifications.

How can I improve the suspension performance on my Yamaha YZ85T 2004?

Improving suspension performance may involve adjusting the compression and rebound settings, upgrading the suspension components, or consulting a professional for a re-valve. Tailor the settings to your riding style and terrain.

What is the correct coolant capacity for a Yamaha YZ85T 2004?

The coolant capacity for the Yamaha YZ85T 2004 is approximately 0.9 liters. Always use a high-quality coolant that is compatible with aluminum engines.

How do I clean the air filter on my Yamaha YZ85T 2004?

To clean the air filter, remove it from the bike, wash it gently in warm soapy water, rinse thoroughly, allow it to dry completely, and then apply air filter oil before reinstalling.

What are common signs of clutch wear on a Yamaha YZ85T 2004?

Common signs of clutch wear include slipping during acceleration, difficulty in engaging gears, and a change in clutch lever feel. Regular inspection and adjustment can help prevent wear.

How do I properly store a Yamaha YZ85T 2004 for the winter?

To store the bike for winter, clean it thoroughly, change the oil, add fuel stabilizer, remove the battery and keep it charged, and store the bike in a dry, covered area. Consider lifting the bike to prevent tire flat spots.

What should I do if my Yamaha YZ85T 2004 won't start?

If the bike won't start, check the fuel supply, inspect the spark plug, ensure the kill switch is in the correct position, and verify that the carburetor is clean. If problems persist, consult a professional mechanic.