Yamaha TT-R125N C, TT-R125LWN C 2001 Owner's Manual

Yamaha TT-R125N C, TT-R125LWN C 2001 manual cover

Pages 242

Year 2001

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of 242

Yamaha TT-R125N C, TT-R125LWN C 2001 Specification

The 2001 Yamaha TT-R125N C and TT-R125LWN C are off-road motorcycles designed for recreational trail riding and entry-level motocross enthusiasts. Both models feature a 124cc air-cooled, SOHC, 4-stroke engine that delivers reliable power and performance. The engine is paired with a 5-speed transmission, providing smooth and responsive gear changes suitable for various riding conditions.

The chassis is constructed with a steel frame, ensuring durability and stability during off-road excursions. The suspension system includes a telescopic fork at the front and a single shock at the rear, allowing for adequate handling of uneven terrain and providing a comfortable ride.

Both models come equipped with a chain final drive and a carburetor fuel system, ensuring efficient power delivery and ease of maintenance. The braking system consists of drum brakes at both the front and rear, offering sufficient stopping power for trail riding.

The TT-R125LWN C variant includes larger wheels and a higher seat height compared to the TT-R125N C, catering to taller riders and providing improved ground clearance. The overall design focuses on lightweight construction, with the TT-R125N C weighing approximately 172 lbs and the TT-R125LWN C slightly heavier due to its larger dimensions.

These motorcycles are designed with user-friendly features such as an electric start option and accessible controls, making them suitable for novice riders. The fuel tank capacity is 1.74 gallons, allowing for extended riding sessions without frequent refueling.

In summary, the 2001 Yamaha TT-R125N C and TT-R125LWN C offer a blend of reliability, performance, and ease of use, making them ideal choices for those seeking an accessible entry into off-road motorcycling.

Yamaha TT-R125N C, TT-R125LWN C 2001 F.A.Q.

What is the recommended oil type for the Yamaha TT-R125N C 2001?

The recommended oil type for the Yamaha TT-R125N C 2001 is SAE 10W-30 or 10W-40 for optimum performance. Always ensure the oil you choose meets the API service classification of SG or higher.

How often should I change the oil in my TT-R125LWN C 2001?

It is recommended to change the oil every 6 months or every 1000 miles, whichever comes first. Regular oil changes will help maintain engine performance and prolong the life of your motorcycle.

What is the correct tire pressure for the Yamaha TT-R125N C 2001?

The correct tire pressure for the Yamaha TT-R125N C 2001 is 15 psi for the front tire and 15 psi for the rear tire. Regularly checking tire pressure is crucial for safe riding and optimal handling.

Why is my TT-R125LWN C 2001 engine overheating?

There are several reasons why your engine might be overheating: low coolant levels, a malfunctioning thermostat, or a clogged radiator. Ensure all components are in good working condition and that the coolant is topped up.

How do I adjust the chain tension on my TT-R125N C 2001?

To adjust the chain tension, first place the bike on a stand. Loosen the rear axle nut, adjust the chain tensioner bolts on each side of the swingarm, and ensure the chain has 1-1.5 inches of slack in the middle. Tighten the axle nut once adjusted.

What are common reasons for starting issues with the TT-R125LWN C 2001?

Common starting issues can be due to a dead battery, faulty spark plug, clogged fuel line, or carburetor problems. Inspect these components and replace or repair as necessary.

How can I improve the suspension performance on my Yamaha TT-R125N C 2001?

Improving suspension performance can be achieved by adjusting the preload settings, ensuring the forks are properly aligned, and considering aftermarket suspension components if further improvement is needed.

What maintenance should be performed regularly on the TT-R125LWN C 2001?

Regular maintenance includes changing the oil, checking tire pressure, inspecting brakes, cleaning the air filter, lubricating the chain, and checking all bolts and fasteners for tightness.

How do I troubleshoot electrical issues on my TT-R125N C 2001?

Start by checking the battery connections and fuses. Use a multimeter to test the battery voltage and check for any wire disconnections or corrosion. Consult the service manual for specific electrical component locations.

What should I do if the TT-R125LWN C 2001 stalls during operation?

If the motorcycle stalls, check the fuel supply, inspect the spark plug for fouling, and ensure the carburetor is clean. It may also be helpful to check the air filter and ignition system for issues.