Yamaha YZ125D 2013 Owner's Manual

Yamaha YZ125D 2013 manual cover
Pages 236
Year 2013
Language(s)
English en

Yamaha YZ125D 2013 Specification

The Yamaha YZ125D 2013 is a high-performance motocross bike designed to deliver an optimal blend of power, agility, and durability. Powered by a 124cc liquid-cooled, two-stroke engine, it features a reed-valve induction system for enhanced throttle response and acceleration. The six-speed transmission offers precise gear changes, contributing to its competitive edge in various racing conditions.

The lightweight aluminum frame provides superior handling and stability, allowing riders to navigate challenging terrains with ease. The suspension system includes a fully adjustable 48mm KYB® inverted fork in the front and a fully adjustable KYB® shock in the rear, ensuring excellent shock absorption and rider comfort. Its braking system comprises a 250mm front disc and a 245mm rear disc, delivering reliable stopping power.

Ergonomically, the YZ125D is designed to accommodate a wide range of riders, with a flat seat and slim bodywork that facilitate easy movement. The bike's overall weight is approximately 207 pounds, making it one of the lightest in its class. The 2.1-gallon fuel tank provides sufficient capacity for extended riding sessions without adding excessive weight.

Aesthetically, the Yamaha YZ125D 2013 features aggressive styling with modern graphics that underscore its racing pedigree. The combination of blue and white colors not only enhances its visual appeal but also signifies Yamaha's iconic branding.

With its blend of advanced engineering and rider-focused design, the Yamaha YZ125D 2013 stands out as a top choice for motocross enthusiasts seeking a reliable and high-performance machine. Its robust construction, coupled with state-of-the-art components, ensures longevity and consistent performance on the track.

Yamaha YZ125D 2013 F.A.Q.

How often should I change the transmission oil on my Yamaha YZ125D 2013?

It is recommended to change the transmission oil every 10 hours of riding or after every race to ensure optimal performance and longevity of the engine components.

What is the correct spark plug gap for the Yamaha YZ125D 2013?

The correct spark plug gap for the Yamaha YZ125D 2013 should be set at 0.7 to 0.8 mm (0.028 to 0.031 inches) for optimal ignition performance.

How can I prevent my Yamaha YZ125D 2013 from overheating during long rides?

To prevent overheating, ensure the radiator is clean and free of debris, maintain proper coolant levels, and avoid prolonged idling. Using a high-quality coolant can also help manage engine temperatures.

What type of fuel should I use for my Yamaha YZ125D 2013?

Use unleaded gasoline with a minimum octane rating of 91 (R+M)/2 to ensure efficient combustion and performance. Avoid using ethanol-blended fuels above E10.

How do I adjust the chain tension on the Yamaha YZ125D 2013?

To adjust the chain tension, loosen the axle nut and turn the chain adjusters on both sides equally until the chain slack is between 30 to 40 mm (1.18 to 1.57 inches). Tighten the axle nut securely after adjustment.

What are the recommended tire pressures for the Yamaha YZ125D 2013?

The recommended tire pressure for the front tire is 15 psi, and for the rear tire is 15 psi. Adjust the pressure based on riding conditions and personal preference for optimal grip and handling.

How often should I clean the air filter on my Yamaha YZ125D 2013?

Clean the air filter after every ride in dusty conditions, or at least every 2-3 rides in normal conditions, to ensure optimal air intake and engine performance.

What is the procedure for bleeding the brakes on a Yamaha YZ125D 2013?

To bleed the brakes, start by removing the reservoir cover, then attach a clear tube to the bleeder valve. Pump the brake lever several times, open the bleeder valve to release air, then close it. Repeat until no air bubbles are visible in the tube.

How can I improve the suspension setup on my Yamaha YZ125D 2013 for different terrains?

Adjust the suspension settings by tuning the compression and rebound damping according to the terrain. For softer terrains, decrease compression damping and for harder terrains, increase it. Always refer to the owner's manual for guidance specific to your model.

What are the symptoms of a worn-out clutch on the Yamaha YZ125D 2013?

Symptoms of a worn-out clutch include slipping under load, difficulty shifting gears, a spongy clutch lever feel, and unusual noises when the clutch is engaged. If these symptoms occur, inspect and replace worn components as necessary.