Yamaha TT R125 LWM, TT R125LWMC 2000 Owner's Manual

Yamaha TT R125 LWM, TT R125LWMC 2000 manual cover

Pages 222

Year 2000

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of 222

Yamaha TT R125 LWM, TT R125LWMC 2000 Specification

The Yamaha TT R125 LWM and TT R125LWMC 2000 are off-road motorcycles designed for light to moderate trail riding and recreational use. These models are powered by a 124cc, air-cooled, SOHC, 4-stroke engine that delivers reliable performance and manageable power, ideal for beginner and intermediate riders. The engine features a bore and stroke of 54.0mm x 54.0mm, providing a balanced mix of torque and horsepower. Fuel delivery is managed by a Mikuni VM20 carburetor, ensuring consistent throttle response.

The motorcycles are equipped with a 5-speed manual transmission that allows riders to effectively utilize the engine's power across various terrains. The clutch is a manual, multi-plate wet type, offering smooth engagement and control. The frame of the TT R125 LWM and TT R125LWMC is constructed from high-tensile steel, providing durability and stability. The front suspension consists of telescopic forks with 180mm of travel, while the rear suspension is a monocross system with 168mm of travel, both engineered to absorb shocks and maintain handling precision over rough terrain.

Braking is managed by a front disc brake and a rear drum brake, ensuring reliable stopping power. The wheelbase measures 1,274mm, contributing to the bike's agility and stability. The seat height is set at 805mm, making it accessible for a wide range of riders. Both models feature a fuel tank capacity of 6.0 liters, providing sufficient range for extended trail rides. The dry weight stands at approximately 83kg, making the bikes relatively light and easy to maneuver.

Overall, the Yamaha TT R125 LWM and TT R125LWMC 2000 are well-rounded off-road motorcycles that combine ease of use, durability, and performance suitable for recreational trail riding.

Yamaha TT R125 LWM, TT R125LWMC 2000 F.A.Q.

How do I adjust the chain tension on my Yamaha TT R125 LWM?

To adjust the chain tension, place the bike on a stand, loosen the axle nut, and adjust the chain adjusters on either side of the swingarm until the chain has approximately 1.2 inches of slack at its midpoint. Tighten the axle nut securely once adjustment is complete.

What type of oil should I use for my Yamaha TT R125LWMC 2000?

For the Yamaha TT R125LWMC 2000, it is recommended to use a high-quality 10W-40 4-stroke motorcycle oil that meets or exceeds the JASO MA standard. Regular oil changes will help maintain optimal engine performance.

How often should I clean the air filter on my TT R125 LWM?

The air filter should be inspected and cleaned every 10 hours of riding or more frequently if you ride in dusty conditions. Use an air filter cleaner and oil specifically designed for foam filters.

What is the proper tire pressure for the Yamaha TT R125LWMC 2000?

The recommended tire pressure for the Yamaha TT R125LWMC 2000 is typically 15 psi for the front tire and 18 psi for the rear tire. Always check the tire pressure when the tires are cold for the most accurate reading.

How can I troubleshoot starting issues with my TT R125 LWM?

If the bike won't start, check the fuel supply, ensure the kill switch is in the run position, inspect the spark plug for fouling, and check for battery charge if applicable. Additionally, ensure the carburetor is clean and properly adjusted.

What is the recommended maintenance schedule for my Yamaha TT R125LWMC 2000?

Regular maintenance includes oil changes every 20 hours, air filter cleaning every 10 hours, chain lubrication every ride, and a full inspection every 6 months or as needed. Refer to the owner’s manual for a detailed schedule.

How do I adjust the carburetor on my TT R125 LWM?

To adjust the carburetor, first warm up the engine, then adjust the idle speed screw to achieve a stable idle. Next, adjust the air/fuel mixture screw to ensure smooth acceleration and optimal performance.

What spark plug should I use for my Yamaha TT R125LWMC 2000?

The recommended spark plug for the Yamaha TT R125LWMC 2000 is the NGK CR7HSA. Ensure it is properly gapped to 0.6-0.7 mm before installation.

How can I improve the suspension performance on my TT R125 LWM?

To improve suspension performance, consider adjusting the preload and damping settings to suit your riding style and terrain. Upgrading to higher-performance aftermarket suspension components may also enhance performance.

What are common issues with the Yamaha TT R125LWMC 2000 and how can I prevent them?

Common issues include carburetor clogging, chain wear, and electrical problems. Regular maintenance, such as cleaning the carburetor, lubricating the chain, and checking electrical connections, can prevent these issues.