The Triumph Street Triple series has long been a favorite among riders, known for its balance of power, agility, and performance. Building upon the legacy of its predecessors, the Triumph Street Triple 660 S brings a new level of sophistication to the naked motorcycle class. With its cutting-edge features, refined performance, and stylish design, the Street Triple 660 S is a noteworthy addition to the Street Triple family. In this article, we will explore its specifications, features, and performance in detail.

Overview of the Triumph Street Triple 660 S

The Triumph Street Triple 660 S is positioned as an entry-level naked bike, combining the iconic look and performance of the larger Street Triple models with a more manageable power delivery for newer riders. Aimed at the growing demand for versatile, everyday motorcycles that deliver a thrilling riding experience, the Street Triple 660 S is built to handle everything from city commuting to twisty country roads.

The motorcycle is powered by a 660cc engine, offering an ideal compromise between power and control, making it accessible yet fun for riders of varying experience levels. With an upgraded chassis, improved ergonomics, and advanced electronics, the Street Triple 660 S is crafted to give riders an all-around experience with modern enhancements.

Triumph Street Triple 660 S: Key Specifications

Engine & Performance:

• Engine Type: Liquid-cooled, 4-stroke, DOHC, inline-3
• Engine Capacity: 660cc
• Bore x Stroke: 74.0mm x 51.1mm
• Compression Ratio: 11.5:1
• Fuel System: Electronic Fuel Injection (EFI)
• Cooling System: Liquid-cooled
• Maximum Power: 80 hp (59 kW) at 10,250 rpm
• Maximum Torque: 64 Nm (47 lb-ft) at 6,250 rpm
• Transmission: 6-speed gearbox with final drive by chain

The Triumph Street Triple 660 S is powered by a 660cc liquid-cooled, inline-3 engine, which provides a balanced output of 80 horsepower and 64Nm of torque. This makes the bike quick off the line and responsive in urban traffic, yet manageable for beginners and intermediate riders. The three-cylinder engine offers a unique sound and character, differing from the more common two-cylinder powertrains, while still being smooth and linear.

The 6-speed gearbox is well-tuned for city riding and highway cruising, with a smooth clutch and gear transitions. Its performance is enhanced by the short, punchy power delivery that remains manageable across the entire rev range.

Features of the Triumph Street Triple 660 S

Design and Build:

The design of the Triumph Street Triple 660 S is both modern and functional. Featuring a minimalist, muscular aesthetic, the bike has a compact body with an upright riding position, making it suitable for daily riding and long-distance comfort. The bike’s headlamp is angular, with a distinctive look that gives the 660 S an aggressive stance. The twin-spar aluminum frame provides excellent handling while maintaining a lightweight feel.

• Seat Height: 790mm
• Wheelbase: 1,405mm
• Weight (Kerb): 189kg
• Fuel Tank Capacity: 17.4 liters

The seat height of 790mm provides an accessible riding position for riders of various heights, while the wheelbase and compact design ensure the bike remains agile and easy to maneuver. At a kerb weight of 189kg, the 660 S is light for a bike of its class, making it a favorable choice for both novice riders and those looking for a more maneuverable motorcycle.

Electronics and Technology:

• Ride-by-wire: This throttle control technology ensures smooth throttle response, offering precise control over power delivery.
• ABS (Anti-lock Braking System): Standard on the bike, ABS helps maintain control under heavy braking conditions.
• Traction Control: The 660 S comes equipped with traction control, which can be turned off for experienced riders but offers added safety for beginners or in slippery conditions.
• Driving Modes: The Street Triple 660 S features multiple riding modes, allowing the rider to adjust power delivery and traction control according to different road conditions.
• Instrument Cluster: A full-color TFT display is part of the package, which provides all essential information in a sleek, easy-to-read format. It includes a gear position indicator, fuel consumption data, and trip computer functionalities.

Suspension and Handling:

• Front Suspension: 41mm Showa USD forks with 120mm travel
• Rear Suspension: Showa mono-shock with 133mm travel
• Brakes: Twin 310mm discs with Nissin calipers in front, 220mm disc at the rear

The suspension setup on the Street Triple 660 S is designed to offer a blend of comfort and performance. The 41mm Showa USD forks and rear Showa mono-shock are tuned for versatility, absorbing bumps and offering a planted feel while navigating both smooth and rough roads. With the help of Nissin brakes and a dual-disc front brake system, stopping power is effective and well-balanced.

Performance

The Triumph Street Triple 660 S excels in providing a fun, agile ride. With its 660cc engine, the bike delivers a satisfying amount of power while remaining manageable. The power output is substantial for a bike in the entry-level category, allowing riders to enjoy quick acceleration without feeling overwhelmed.

The handling of the Street Triple 660 S is one of its standout features. Thanks to its lightweight frame and well-tuned suspension, the bike is exceptionally nimble. Cornering feels confident, with a tight turning radius and excellent feedback from the front forks. The power delivery is smooth, and the bike’s handling inspires trust, making it easy for riders of all levels to push it to its limits.

The addition of advanced electronics, including traction control and adjustable riding modes, makes this bike adaptable to different road conditions. Whether you’re on a rain-slicked city street or open, twisty mountain roads, the Street Triple 660 S offers a balanced and engaging ride. Its smooth powerband allows for daily commuting, weekend rides, or even more spirited excursions with ease.

Conclusion

The Triumph Street Triple 660 S is a versatile and enjoyable motorcycle that offers a combination of accessible performance, advanced technology, and modern design. With its smooth and responsive three-cylinder engine, well-balanced suspension, and a host of rider-focused features, it caters to both novice riders and those who want a manageable but fun machine for everyday use.

Whether you're commuting through the city or carving up the twisties, the 660 S proves itself to be an excellent all-around motorcycle that punches above its weight. It’s an entry-level bike with the soul of a Triumph, and it’s clear that Triumph has thoughtfully designed the Street Triple 660 S to offer a balanced mix of everyday usability and thrilling performance.