KTM SX 125 2019 Owner's Manual

KTM SX 125 2019 Motorcycle manual cover
Pages 140
Year 2019
Language(s)
English en

KTM SX 125 2019 Motorcycle Specification

The KTM SX 125 2019 is a high-performance motocross motorcycle engineered for competitive racing. It features a lightweight and robust chrome-molybdenum steel frame designed for optimum stiffness and rider feedback. The bike is powered by a 124.8 cc, single-cylinder, 2-stroke engine with a compact cylinder design and a high-performance exhaust system. This engine delivers a potent mix of power and torque, optimized for agility and quick throttle response. The SX 125 is equipped with a 6-speed transmission and a multi-disc wet clutch, providing smooth and precise gear shifts.

Suspension duties are handled by a fully adjustable WP XACT AER 48 front fork and a WP XACT rear shock absorber, ensuring excellent handling and stability on diverse terrains. The braking system includes high-performance Brembo brakes with a 260 mm front disc and a 220 mm rear disc, offering exceptional stopping power and control. The bike rides on lightweight, black-anodized aluminum rims fitted with Dunlop Geomax MX3S tires, providing optimal grip and performance.

The ergonomics of the KTM SX 125 2019 are meticulously designed for comfort and control, featuring a slim profile, a flat seat, and adjustable handlebars. The bodywork is crafted for minimal weight and maximum durability, with in-mold graphics for lasting aesthetics. The fuel tank capacity is 7 liters, allowing for extended riding sessions. The airbox design ensures maximum airflow and easy maintenance, while the cooling system, featuring radiators with optimized flow, maintains engine temperature under high-stress conditions. With a dry weight of approximately 87.5 kg, the KTM SX 125 2019 offers an exceptional power-to-weight ratio, making it an ideal choice for serious motocross enthusiasts.

KTM SX 125 2019 Motorcycle F.A.Q.

What is the recommended oil type for the KTM SX 125 2019?

The recommended oil for the KTM SX 125 2019 is a high-quality synthetic 2-stroke engine oil. It is important to use oil that meets or exceeds the manufacturer's specifications to ensure optimal performance and engine longevity.

How often should the air filter be cleaned on the KTM SX 125 2019?

The air filter should be cleaned after every race or every 5 hours of riding in dusty conditions. Regular cleaning ensures optimal air flow and engine performance.

What is the proper procedure for adjusting the chain tension on the KTM SX 125 2019?

To adjust the chain tension, first place the bike on a stand. Loosen the rear axle nut, then adjust the chain tensioner bolts evenly on both sides until the chain slack is within the specified range. Retighten the axle nut to the correct torque setting.

How can I troubleshoot starting issues with my KTM SX 125 2019?

If the bike won't start, check the spark plug for fouling, ensure there is enough fuel, and inspect the fuel line for any blockages. It may also help to check the carburetor for any dirt or debris that might be obstructing the fuel flow.

What is the correct tire pressure for the KTM SX 125 2019?

The recommended tire pressure for the KTM SX 125 2019 is typically around 12-15 psi for the front and 12-15 psi for the rear, depending on the terrain and rider preference. Always check the tire pressure before riding.

How do I perform a basic carburetor cleaning on the KTM SX 125 2019?

To clean the carburetor, first remove it from the bike. Disassemble the float bowl and main components, then use a carburetor cleaner to remove any varnish or debris. Reassemble carefully, ensuring all gaskets and seals are intact.

What maintenance should be performed after every ride on the KTM SX 125 2019?

After every ride, clean the bike thoroughly, check and lubricate the chain, inspect for any loose bolts or components, and ensure the tires are in good condition. Regular post-ride maintenance helps in identifying potential issues early.

How do I adjust the suspension settings on the KTM SX 125 2019?

Adjust the suspension settings by turning the compression and rebound adjusters located on the forks and shock. Consult the owner's manual for the ideal settings based on your weight and riding style. It's important to make small adjustments and test the bike to find the optimal setting.

What is the proper break-in procedure for a new KTM SX 125 2019 engine?

For the break-in procedure, start by running the engine at low RPMs for the first 1-2 hours, gradually increasing the RPMs without full-throttle acceleration. Varying the engine speed helps seat the piston rings properly. After 5 hours, conduct a full maintenance check.

How can I maximize the performance of my KTM SX 125 2019?

To maximize performance, ensure regular maintenance including cleaning the air filter, checking the spark plug, using high-quality fuel and oil, and keeping the chain properly adjusted. Additionally, fine-tuning the suspension and carburetor settings to match your riding conditions can help improve performance.