Yamaha YZ125XM YZ125X 2021 Owner's Manual

Yamaha YZ125XM YZ125X 2021 manual cover
Pages 268
Year 2021
Language(s)
English en

Yamaha YZ125XM YZ125X 2021 Specification

The Yamaha YZ125XM YZ125X 2021 is a high-performance off-road motorcycle engineered for exceptional agility and power in competitive environments. This model features a 125cc liquid-cooled, two-stroke engine designed for a broad powerband, delivering optimal performance across varying terrain. The engine benefits from Yamaha's Power Valve System (YPVS), which enhances torque and overall power output. The YZ125X includes a six-speed transmission that ensures smooth and precise gear shifts, essential for maintaining momentum in challenging conditions.

The chassis is crafted from lightweight aluminum, offering a perfect balance between strength and flexibility. This design contributes to the bike's superior handling and responsiveness. The suspension system comprises a fully adjustable KYB inverted front fork and a rear shock absorber, providing exceptional control and comfort on rough trails. The braking system includes robust hydraulic disc brakes on both the front and rear, ensuring reliable stopping power.

Ergonomically, the YZ125X is tailored for rider comfort and control, featuring a slim seat and narrow fuel tank that facilitate easy movement and weight distribution. The bike's lightweight design, combined with its powerful engine and advanced suspension, makes it an ideal choice for enduro racing and off-road enthusiasts. Additionally, the YZ125X is equipped with an 18-inch rear wheel and a larger fuel tank compared to its motocross counterpart, extending its range and adaptability for longer rides.

Overall, the Yamaha YZ125XM YZ125X 2021 stands out for its combination of agility, power, and durability, making it a top contender in the off-road motorcycle segment.

Yamaha YZ125XM YZ125X 2021 F.A.Q.

What type of fuel should I use for the Yamaha YZ125X 2021?

The Yamaha YZ125X 2021 is designed to run on unleaded gasoline with a minimum octane rating of 91 (R+M)/2. It is important to use high-quality fuel to ensure optimal performance and longevity of the engine.

How often should I change the transmission oil in my YZ125X?

It is recommended to change the transmission oil every 10 hours of operation or after every race. Regular oil changes help maintain the transmission's performance and prevent wear.

What is the proper way to clean the air filter on a Yamaha YZ125X?

To clean the air filter, remove it from the bike, gently wash it with a mild detergent and water, rinse thoroughly, and let it dry completely. After drying, apply air filter oil evenly before reinstalling it.

How do I adjust the suspension on my YZ125X for off-road riding?

To adjust the suspension for off-road riding, start by setting the sag according to your weight. Adjust the compression and rebound settings on both the fork and shock absorbers to match the terrain and your riding style. Refer to the owner's manual for specific adjustment guidelines.

What should I do if my YZ125X won't start?

If your YZ125X won't start, check the following: ensure the fuel petcock is on, check for spark by inspecting the spark plug, and verify that there is fuel in the tank. If these are all in order, inspect the carburetor for clogs and ensure the kill switch is not engaged.

How can I prevent overheating during long rides on my YZ125X?

To prevent overheating, ensure the radiator is clean and free of obstructions. Check the coolant level regularly and top up as necessary. Avoid prolonged idling and ensure the jetting is correct for the altitude and temperature conditions.

What is the recommended tire pressure for the YZ125X?

The recommended tire pressure for the Yamaha YZ125X is typically around 12 psi for off-road use. Adjust the pressure based on terrain and riding conditions for optimal traction and handling.

How do I maintain the chain on my YZ125X?

Regularly clean the chain with a suitable cleaner and brush. Lubricate the chain with a high-quality chain lube designed for off-road use after each ride to prevent rust and ensure smooth operation. Check the chain tension regularly and adjust as needed.

What are common signs that the carburetor needs adjustment on a YZ125X?

Common signs include poor throttle response, engine misfiring, excessive exhaust smoke, and difficulty starting. If you experience any of these, it may be time to clean and adjust the carburetor settings according to the manufacturer's specifications.

How do I store my YZ125X during the off-season?

To store your YZ125X during the off-season, drain the fuel system or add a fuel stabilizer, remove the battery and store it in a cool, dry place, and clean the bike thoroughly. Cover the bike to protect it from dust and moisture in a dry storage area.