Yamaha TT-R125MC, TT-R125MC 2000 Owner's Manual

Yamaha TT-R125MC, TT-R125MC 2000 manual cover

Pages 209

Year 2000

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of 209

Yamaha TT-R125MC, TT-R125MC 2000 Specification

The Yamaha TT-R125MC, first introduced in 2000, is a lightweight, off-road motorcycle designed for both novice and intermediate riders. It features a 124cc, air-cooled, SOHC, four-stroke engine that delivers reliable power and smooth performance, making it ideal for trail riding. The engine is mated to a 5-speed manual transmission, providing versatile gearing options for various terrains. The bike's frame is constructed from high-tensile steel, ensuring durability and stability during off-road excursions.

The suspension system includes a telescopic front fork with 180mm of travel and a monocross rear suspension with 168mm of travel, offering a comfortable ride over rough surfaces. The braking system comprises a 220mm front disc brake and a 110mm rear drum brake, providing adequate stopping power. The TT-R125MC is equipped with 19-inch front and 16-inch rear wheels, fitted with knobby tires for enhanced traction on dirt trails.

The motorcycle's seat height stands at 780mm, making it accessible for shorter riders while ensuring a commanding riding position. The fuel tank capacity is 6 liters, allowing for extended riding sessions without frequent refueling. The bike's dry weight is approximately 83 kilograms, contributing to its agility and ease of handling.

Designed with user-friendly features, the Yamaha TT-R125MC includes an electric start system for convenience, along with a kick start as a backup. The ergonomics are tailored for comfort, with a well-padded seat and a handlebar configuration that promotes a natural riding posture. Overall, the Yamaha TT-R125MC is a robust and versatile off-road motorcycle that combines reliability, performance, and ease of use, making it a popular choice for recreational riders and young enthusiasts.

Yamaha TT-R125MC, TT-R125MC 2000 F.A.Q.

What is the recommended oil type and capacity for the Yamaha TT-R125MC?

The recommended oil for the Yamaha TT-R125MC is SAE 10W-30 or 10W-40 for general use. The oil capacity is approximately 1.0 liter (1.06 US qt) when changing oil.

How often should I replace the air filter on my Yamaha TT-R125MC?

The air filter should be inspected and cleaned every 600 miles (1,000 km) or more frequently if you ride in dusty conditions. Replace it if damaged or excessively dirty.

What is the correct tire pressure for the Yamaha TT-R125MC?

The recommended tire pressure for the Yamaha TT-R125MC is 15 psi (103 kPa) for the front tire and 15 psi (103 kPa) for the rear tire.

How can I troubleshoot starting issues with my Yamaha TT-R125MC?

If your Yamaha TT-R125MC won't start, check the following: ensure the kill switch is in the "run" position, check the fuel level, inspect the spark plug for fouling, and make sure the battery is charged.

What is the correct chain tension for the Yamaha TT-R125MC?

The correct chain tension for the Yamaha TT-R125MC is 30-40 mm (1.2-1.6 inches) of slack at the tightest point of the chain.

How do I adjust the carburetor on my Yamaha TT-R125MC?

To adjust the carburetor, start by turning the pilot screw to the standard position (1.5 turns out from fully seated). Adjust the idle speed screw to achieve a smooth idle around 1,400-1,600 rpm.

What should I do if my Yamaha TT-R125MC engine overheats?

If the engine overheats, stop the bike and let it cool down. Check the coolant level, radiator fins for obstructions, and ensure the engine oil is at the correct level.

How do I check and adjust the valve clearance on the Yamaha TT-R125MC?

To check and adjust valve clearance, remove the seat and fuel tank, then the valve cover. Use a feeler gauge to measure the clearance and adjust with the appropriate tools, typically to 0.05-0.10 mm for the intake and 0.10-0.15 mm for the exhaust.

What is the break-in procedure for a new Yamaha TT-R125MC?

During the first 600 miles (1,000 km), avoid prolonged full-throttle operation and avoid lugging the engine. Vary the engine speed and avoid constant rpm. Change the oil and check the valve clearance after the break-in period.

How often should I replace the spark plug on my Yamaha TT-R125MC?

The spark plug should be checked every 600 miles (1,000 km) and replaced if necessary. It is recommended to replace the spark plug every 3,000 miles (5,000 km).