Yamaha YFM09GYXK Grizzly 90 2019 Owner's Manual

Yamaha YFM09GYXK Grizzly 90 2019 manual cover
Pages 134
Year 2019
Language(s)
English en

Yamaha YFM09GYXK Grizzly 90 2019 Specification

The Yamaha YFM09GYXK Grizzly 90 2019 is a robust all-terrain vehicle designed for younger riders, blending safety, performance, and reliability. This ATV is powered by an air-cooled, single-cylinder, SOHC 90cc engine, delivering adequate power for both recreational and practical use. The engine is mated to a fully automatic CVT (Continuously Variable Transmission) system, making it user-friendly for less experienced riders.

The Grizzly 90 features a durable steel frame with a compact wheelbase of 40.6 inches, enhancing maneuverability on various terrains. Its suspension system includes a single A-arm front suspension with 5 inches of travel and a mono-shock swingarm rear suspension with 5.7 inches of travel, providing a smooth and stable ride.

Safety is prioritized with features such as an adjustable throttle limiter and a handlebar-mounted parking brake, ensuring control and security for younger users. The electric start with a backup kickstart ensures reliable ignition under different conditions. The vehicle's dimensions are designed for youth, with a seat height of 28.7 inches and a ground clearance of 4.1 inches, making it accessible and easy to handle.

The Grizzly 90's design includes rugged, aggressive styling with durable plastics and a front brush guard, reflecting Yamaha's commitment to quality and durability. With a fuel capacity of 1.7 gallons, it is suitable for extended rides without frequent refueling. The ATV's tires, measuring 19x7-8 at the front and 18x9-8 at the rear, provide excellent traction and stability.

Overall, the Yamaha YFM09GYXK Grizzly 90 2019 is engineered to offer a balanced mix of performance, safety, and ease of use, making it an ideal choice for young riders venturing into off-road activities.

Yamaha YFM09GYXK Grizzly 90 2019 F.A.Q.

What regular maintenance is required for the Yamaha YFM09GYXK Grizzly 90 2019?

Regular maintenance includes checking and changing the engine oil, inspecting and cleaning the air filter, checking the brakes, tightening bolts, and inspecting the drive chain for proper tension and lubrication.

How do I troubleshoot starting issues with my Grizzly 90?

First, check the battery for charge and connections. Ensure the fuel is fresh and the fuel valve is open. Inspect the spark plug for fouling or damage, and replace if necessary.

What type of oil should be used in the Yamaha YFM09GYXK Grizzly 90?

Use Yamalube 4-stroke mineral engine oil or equivalent high-quality motor oil with a viscosity grade appropriate for your climate, typically 10W-40.

How can I improve the performance of my Grizzly 90?

Ensure regular maintenance is performed, use high-quality fuel, and consider upgrading the air filter and exhaust for improved airflow. Adjusting the carburetor may also enhance performance.

What is the recommended tire pressure for the Yamaha Grizzly 90?

The recommended tire pressure is typically around 4 psi for the front tires and 4.5 psi for the rear tires. Always check the owner’s manual for the exact specifications.

How do I adjust the chain tension on my Grizzly 90?

Loosen the rear axle nut, adjust the tension using the adjustment bolts until the chain has about 1/2 inch of slack, then retighten the axle nut securely.

What should I do if my Grizzly 90 overheats?

Stop the engine immediately, let it cool down, and check the coolant level. Inspect the radiator for obstructions and ensure the cooling fan is operational.

How often should I replace the air filter on my Grizzly 90?

The air filter should be inspected every 20 hours of operation or monthly, and cleaned or replaced as needed. Replace it at least once a year or as specified in the owner’s manual.

How do I store my Grizzly 90 for the winter?

Clean the ATV thoroughly, change the oil, fill the fuel tank and add a stabilizer, disconnect the battery, and store it in a dry, cool place. Elevate the ATV to prevent tire flat spots.

What are common electrical problems with the Yamaha Grizzly 90 and how can they be resolved?

Common issues include a dead battery, blown fuses, or faulty wiring. Ensure connections are tight, replace any blown fuses, and inspect wiring for damage. Use a multimeter to diagnose further electrical problems.