Contents

- GENERAL INFORMATION
  - LOCATION OF IMPORTANT LABELS
  - DESCRIPTION
  - CONSUMER INFORMATION
  - INCLUDED PARTS
  - IMPORTANT INFORMATION
  - CHECKING OF CONNECTION
  - SPECIAL TOOLS
  - CONTROL FUNCTIONS
  - STARTING AND BREAK-IN
  - TORQUE-CHECK POINTS
  - MAINTENANCE AFTER BREAK-IN
  - CLEANING AND STORAGE
- SPECIFICATIONS
  - GENERAL SPECIFICATIONS
  - MAINTENANCE SPECIFICATIONS
  - TIGHTENING TORQUES
  - CABLE ROUTING DIAGRAM
- REGULAR INSPECTION AND ADJUSTMENTS
  - MAINTENANCE INTERVALS
  - PRE-OPERATION INSPECTION AND MAINTENANCE
  - ENGINE
  - CHASSIS
  - ELECTRICAL
- ENGINE
  - SEAT, FUEL TANK AND SIDE COVERS
  - EXHAUST PIPE AND SILENCER
  - RADIATOR
  - CARBURETOR AND REED VALVE
  - CYLINDER HEAD, CYLINDER AND PISTON
  - CLUTCH
  - KICK SHAFT AND SHIFT SHAFT
  - YPVS GOVERNOR
  - WATER PUMP
  - CDI MAGNETO
  - ENGINE REMOVAL
  - CRANKCASE AND CRANKSHAFT
  - TRANSMISSION, SHIFT CAM AND SHIFT FORK
- CHASSIS
  - FRONT WHEEL AND REAR WHEEL
  - FRONT BRAKE AND REAR BRAKE
  - FRONT FORK
  - HANDLEBAR
  - STEERING
  - SWINGARM
  - REAR SHOCK ABSORBER
- ELECTRICAL
  - ELECTRICAL COMPONENTS AND WIRING DIAGRAM
  - IGNITION SYSTEM
- TUNING
  - ENGINE
  - CHASSIS

Yamaha YZ125G2 2016 Owner's Manual

Pages 236

Year 2016

Language(s)

of 236

Yamaha YZ125G2 2016 Specification

The Yamaha YZ125G2 2016 is a high-performance motocross bike designed for competitive racing and advanced riders. It is equipped with a 125cc, liquid-cooled, 2-stroke engine, delivering robust power and rapid acceleration, making it a formidable contender on the track. The engine features Yamaha's proprietary YPVS (Yamaha Power Valve System) which optimizes power delivery and enhances overall performance across various RPM ranges.

The bike is built on a lightweight, aluminum frame that offers excellent rigidity and durability, ensuring precise handling and stability during high-speed maneuvers. The suspension system comprises fully adjustable KYB front forks and a rear shock, providing superior damping characteristics and enabling fine-tuning to suit different terrains and rider preferences.

The YZ125G2 2016's braking system includes a 270mm front disc with a twin-piston caliper and a 245mm rear disc, offering exceptional stopping power and control. The bike is fitted with 21-inch front and 19-inch rear wheels, wrapped in high-traction tires specifically designed for off-road conditions.

Ergonomics have been carefully considered, with a comfortable and adjustable rider interface that allows for optimal control and reduced fatigue. The narrow fuel tank and flat seat design facilitate easy movement and weight shifting, essential for maintaining balance and control during aggressive riding.

Aesthetically, the YZ125G2 2016 boasts a sleek and aggressive look with its striking graphics and modern bodywork, reflecting its high-performance capabilities. The bike's maintenance-friendly design includes features such as a removable subframe and quick-access air filter, simplifying routine checks and servicing.

Overall, the Yamaha YZ125G2 2016 is a meticulously engineered machine, offering a blend of power, agility, and reliability, making it a top choice for serious motocross competitors.

Yamaha YZ125G2 2016 F.A.Q.

What is the recommended tire pressure for the Yamaha YZ125G2 2016?

The recommended tire pressure for the Yamaha YZ125G2 2016 is typically 12 psi for the front tire and 12 psi for the rear tire, but it is important to adjust based on terrain and rider preference.

How often should I change the transmission oil on my Yamaha YZ125G2 2016?

It is recommended to change the transmission oil every 5-10 hours of riding or after every race to ensure optimal performance and longevity of the engine.

What type of spark plug should be used for the Yamaha YZ125G2 2016?

The recommended spark plug for the Yamaha YZ125G2 2016 is an NGK BR9EG. Make sure to check the gap and adjust if necessary before installation.

How do I clean the air filter on a Yamaha YZ125G2 2016?

To clean the air filter, remove it from the bike, wash it in warm, soapy water, rinse thoroughly, and let it dry completely. Apply air filter oil before reinstalling.

What is the correct chain slack for a Yamaha YZ125G2 2016?

The correct chain slack for the Yamaha YZ125G2 2016 should be between 30-40 mm. Always check and adjust the chain slack with the bike on a stand and the rear wheel off the ground.

How can I adjust the suspension settings on my Yamaha YZ125G2 2016 for different terrains?

To adjust the suspension, refer to the owner’s manual for base settings. For softer terrain, consider softening the compression and rebound. For harder terrain, you may need to stiffen the suspension. Always make adjustments incrementally.

What is the proper way to store my Yamaha YZ125G2 2016 for the winter?

For winter storage, clean the bike thoroughly, change the oil, drain the fuel system or add a fuel stabilizer, remove the battery and keep it on a trickle charger, and store the bike in a dry, covered location.

How do I troubleshoot starting issues with my Yamaha YZ125G2 2016?

If experiencing starting issues, check the spark plug for fouling, ensure the fuel is fresh, inspect the air filter for clogs, and verify that the carburetor is clean. Also, check the ignition system for faults.

What maintenance checks should be performed regularly on the Yamaha YZ125G2 2016?

Regular maintenance checks should include inspecting the chain and sprockets, checking tire pressure and tread wear, inspecting brake pads, and ensuring the suspension is functioning properly. Regularly check all fluid levels.

How can I improve the performance of my Yamaha YZ125G2 2016?

To enhance performance, consider upgrading the exhaust system, tuning the carburetor, using high-quality fuel, and ensuring all maintenance is up to date. Adjusting the suspension settings for your riding style can also improve handling and performance.