Yamaha YZ85K YZ85 2019 Owner's Manual

Yamaha YZ85K YZ85 2019 manual cover
Pages 84
Year 2019
Language(s)
English en

Yamaha YZ85K YZ85 2019 Specification

The Yamaha YZ85K YZ85 2019 is a high-performance motocross bike designed for young riders and aspiring racers. This model is engineered with a focus on delivering power, agility, and durability suitable for competitive racing. The heart of the YZ85 is its 85cc liquid-cooled, 2-stroke engine, featuring Yamaha’s proprietary Power Valve System (YPVS), which enhances power delivery across the RPM range. The engine is paired with a six-speed transmission, providing smooth and precise gear shifts essential for maintaining optimal performance on the track.

The chassis of the YZ85 is crafted from a lightweight, high-tensile steel frame that offers a balance of rigidity and flexibility, contributing to excellent handling and stability. The suspension system includes a fully adjustable KYB® inverted fork and a KYB® rear shock with piggyback reservoir, ensuring superior traction and shock absorption over rough terrain. With a 36mm front fork and a rear swingarm equipped with a link-type Monocross® system, the YZ85 is capable of handling the demands of aggressive riding styles.

Braking is managed by a hydraulic disc system, featuring a 220mm front disc and a 190mm rear disc, providing reliable stopping power and control. The YZ85K comes with 17-inch front and 14-inch rear wheels, shod with Dunlop® MX3S tires, offering excellent grip and durability. The ergonomics are designed to accommodate a range of rider sizes, with adjustable handlebar mounts and a flat seat profile that allows for easy weight transfer and maneuverability.

In terms of aesthetics, the YZ85 maintains Yamaha’s distinctive racing blue color scheme, complemented by aggressive graphics. Overall, the 2019 Yamaha YZ85K YZ85 is a robust, high-performance motocross bike that delivers exceptional power, handling, and reliability for young riders aiming to enhance their racing skills.

Yamaha YZ85K YZ85 2019 F.A.Q.

How can I improve the performance of my Yamaha YZ85 2019 for racing?

To improve performance, consider upgrading the exhaust system, using high-quality racing fuel, and optimizing the jetting in the carburetor. Ensure regular maintenance and use performance-grade lubricants.

What is the recommended maintenance schedule for the Yamaha YZ85 2019?

The recommended maintenance schedule includes checking and cleaning the air filter every ride, changing the transmission oil every 6 hours of use, and inspecting the chain and sprockets regularly. Adjust the valves every 15 hours.

What are common troubleshooting steps if my YZ85 2019 won't start?

Check the fuel level and quality, inspect the spark plug for fouling, ensure the carburetor is clean, and verify that the kill switch is not engaged. Additionally, check the condition of the ignition coil.

How do I properly adjust the suspension on my Yamaha YZ85 2019?

To adjust the suspension, first set the sag by adjusting the rear shock spring preload. Fine-tune the compression and rebound damping on both front forks and rear shock to match your riding style and terrain.

What type of oil should I use for the Yamaha YZ85 2019 transmission?

Use a high-quality, motorcycle-specific 10W-40 or 10W-30 transmission oil designed for two-stroke engines. Ensure the oil meets JASO MA standards for optimal performance.

How do I clean and maintain the air filter on my Yamaha YZ85 2019?

Remove the air filter, wash it with a mild detergent, and let it dry completely. Apply air filter oil evenly and re-install, ensuring a proper seal to prevent dirt ingress.

What are the symptoms of a worn-out clutch on the Yamaha YZ85 2019?

Symptoms of a worn-out clutch include slipping under acceleration, difficulty in shifting gears, and a spongy clutch lever feel. Inspect clutch plates and springs for wear and replace if necessary.

How can I prevent overheating in my Yamaha YZ85 2019?

Ensure the coolant is at the correct level and in good condition. Check for any leaks in the cooling system, and clean the radiator fins regularly to ensure adequate airflow.

What are the recommended tire pressures for the Yamaha YZ85 2019?

Recommended tire pressures for the Yamaha YZ85 2019 are typically 12 psi for the front tire and 12 psi for the rear tire, but adjust according to terrain and riding conditions.

How do I set the correct chain tension on my Yamaha YZ85 2019?

To set the correct chain tension, ensure there is about 1.2 inches (30 mm) of slack at the midpoint of the chain between the front and rear sprockets. Adjust using the chain adjusters if necessary.