Yamaha ST 125 2013 - Specifications & Review

Introducing the 2013 Yamaha ST 125

The 2013 Yamaha ST 125 stands as a testament to Yamaha's commitment to the trial motorcycle category, combining lightweight construction with advanced engineering. With its sleek profile and vibrant color options—ranging from eye-catching yellow to classic black, blue, and white—this motorcycle is designed for those who seek both performance and style in the challenging world of trial riding. The ST 125 is perfect for both seasoned pros looking to refine their skills and newcomers eager to explore the thrilling terrain of off-road riding.

Engine Performance and Riding Characteristics

At the heart of the ST 125 is a lively 124.70cc single-cylinder, two-stroke engine that delivers a robust power-to-weight ratio. This compact powerhouse features a bore and stroke of 56.0 x 50.7 mm, optimized for explosive acceleration and agile handling. The engine is fed by a Keihin Ø 28 carburettor, ensuring a precise fuel mixture that enhances performance. Coupled with a 5-speed gearbox and a hydrauliсally activated multidisc clutch, the ST 125 provides smooth and responsive shifts, allowing riders to tackle steep inclines and tricky obstacles with confidence. Weighing in at just 67 kg (147.7 pounds), the motorcycle’s light frame contributes to its nimble characteristics, making it an excellent choice for tight maneuvers and technical challenges.

Key Features and Technology

The chassis of the ST 125 is a work of art in itself, constructed from a tubular chrome-moly frame that ensures both strength and rigidity. The advanced suspension system features a 39 mm hydraulic telescopic fork in the front and a progressive link system with an adjustable single R16V shock absorber at the rear, offering an impressive travel of 165 mm and 175 mm, respectively. This setup not only provides excellent shock absorption but also enhances the motorcycle's overall stability on uneven terrain. The braking system features Formula's hydraulically activated floating discs, ensuring reliable stopping power in all conditions. With a ground clearance of 310 mm and an adjustable seat height of 645 mm, the ST 125 caters to riders of various sizes while positioning them securely for optimal control.

Pros and Cons

Pros:

1. Lightweight Design: At only 67 kg, the ST 125 offers exceptional maneuverability, making it easy to handle in challenging environments.
2. Responsive Suspension: The advanced suspension system provides excellent shock absorption, enhancing control and comfort during rides.
3. Powerful Engine: The single-cylinder, two-stroke engine delivers impressive performance, making it suitable for both beginners and experienced riders.

Cons:

1. Limited Storage: As a trial motorcycle, the ST 125 lacks built-in storage options, which may be a drawback for riders looking for practicality.
2. Two-Stroke Engine Maintenance: The two-stroke engine may require more frequent maintenance compared to four-stroke counterparts.
3. Rider Experience Required: While suitable for all skill levels, the ST 125 is best enjoyed by those with some prior experience in trial riding, as its capabilities can be challenging for complete novices.

Overall, the 2013 Yamaha ST 125 is a remarkable blend of performance, agility, and innovative technology, making it a standout choice for any motorcycle enthusiast eager to tackle the trials ahead.