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
  - 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 YZ125E2 2014 Owner's Manual

Pages 236

Year 2014

Language(s)

of 236

Yamaha YZ125E2 2014 Specification

The Yamaha YZ125E2 2014 is a high-performance motocross bike designed to deliver exceptional agility and power for competitive racing. It is powered by a 124cc, liquid-cooled, two-stroke engine with a reed valve induction system, providing a potent combination of torque and high-revving power. The engine is paired with a six-speed transmission that offers precise and smooth shifting, enabling riders to harness the engine's full potential.

The bike features a lightweight aluminum frame that enhances its nimbleness and stability on the track. The suspension system includes a fully adjustable KYB Speed-Sensitive System (SSS) fork at the front and a fully adjustable mono-shock at the rear, both designed to absorb the rigors of rough terrain and ensure optimal handling.

Braking performance is ensured by a 250mm front disc brake and a 245mm rear disc brake, providing reliable stopping power. The YZ125E2 is equipped with Dunlop Geomax MX51 tires, offering excellent grip and durability for various track conditions. The ergonomics are designed to provide maximum rider comfort and control, with a flat, grippy seat and well-positioned handlebars.

The bike’s overall dimensions include a wheelbase of 56.8 inches, a seat height of 39.3 inches, and a ground clearance of 14.4 inches. It has a wet weight of approximately 207 pounds, making it one of the lighter bikes in its class, which contributes to its exceptional handling characteristics.

In summary, the Yamaha YZ125E2 2014 is a meticulously engineered motocross machine, offering a blend of powerful performance, agile handling, and superior comfort, making it a formidable choice for serious racers and enthusiasts alike.

Yamaha YZ125E2 2014 F.A.Q.

What is the recommended type of oil for the Yamaha YZ125E2 2014?

The recommended type of oil for the Yamaha YZ125E2 2014 is a high-quality 2-stroke engine oil. Yamaha specifically recommends using its Yamalube 2R for optimal performance.

How often should I clean the air filter on my YZ125E2 2014?

It's recommended to clean the air filter after every ride in dusty conditions and after every few rides in less severe conditions to maintain optimal engine performance.

What is the proper tire pressure for the Yamaha YZ125E2 2014?

The recommended tire pressure for the Yamaha YZ125E2 2014 is typically around 12 psi for the front tire and 12 psi for the rear tire, but it can vary depending on riding conditions.

How can I improve the suspension performance on my YZ125E2 2014?

To improve suspension performance, adjust the fork and shock settings according to your weight and riding style. Regular maintenance, such as checking for leaks and changing the fork oil, is also crucial.

What is the correct spark plug for the Yamaha YZ125E2 2014?

The correct spark plug for the Yamaha YZ125E2 2014 is the NGK BR9EG. Always check the manual for confirmation and ensure proper gap settings.

How do I troubleshoot starting issues with my YZ125E2 2014?

If your YZ125E2 2014 is having starting issues, check the spark plug for fouling, ensure the fuel is fresh, and inspect the carburetor for blockages. Also, verify that the kill switch is not engaged.

What maintenance should be performed regularly on a YZ125E2 2014?

Regular maintenance for the YZ125E2 2014 includes cleaning the air filter, checking and adjusting chain tension, changing the transmission oil, and inspecting the brakes and suspension components.

How can I adjust the carburetor for better performance on my YZ125E2 2014?

To adjust the carburetor for better performance, set the idle speed screw and the air/fuel mixture screw according to the manual's specifications. Fine-tuning may be necessary based on altitude and temperature changes.

What are common issues with the transmission on a YZ125E2 2014?

Common transmission issues include difficulty shifting or false neutrals. Regularly check the clutch adjustment and ensure the transmission oil is changed as per the service schedule.

How do I properly store my Yamaha YZ125E2 2014 during the off-season?

To store your Yamaha YZ125E2 2014 during the off-season, drain the fuel tank or add a fuel stabilizer, clean and lubricate the chain, and place the bike on a stand to relieve tire pressure. Also, remove the battery and store it in a cool, dry place.