Suzuki GS125

The Suzuki GS125 epitomizes reliability, simplicity, and classic design in the 125cc motorcycle category. Ideal for beginners and appealing to seasoned riders, this guide explores the GS125’s rich history, notable performance, distinctive design, and straightforward maintenance. Enhanced by real user reviews, it provides a comprehensive overview and practical advice, making it an invaluable resource for both prospective buyers and current owners of this enduring and beloved motorcycle model.

Technical Specs

Dimensions & Weight

Seat Height 750 mm
Wheelbase 1,265 mm
Dry Weight 117.0 Kg


Engine & Performance

Engine Type Single cylinder, four-stroke
Engine Size/Displacement 124 cc
Horsepower and Torque 11.8 HP (8.8 KW) at 9500 RPM
10.0 Nm at 8000 RPM


Transmission & Fuel

Number of Gears 5-speed
Fuel Capacity 14 Litres
Fuel Economy 70-90 mpg


Chassis & Suspension

Frame Type Steel frame
Front/Rear Suspension Telescopic /
Twin shock, adjustable
Front/Rear Brake Single disc /
Expanding brake (drum brake)


History and Evolution of the Suzuki GS 125

The Suzuki GS125 is a testament to durable engineering and classic design in the motorcycle world. Introduced to the market in the early 1980s, the GS125 quickly became a staple for riders looking for an accessible and reliable bike. Its simple construction and ease of use made it a preferred choice for beginners and seasoned riders alike. This model has seen various updates over the years, improving with each iteration without losing its fundamental appeal.

Milestones of Progress

Through the 1990s and into the new millennium, the GS125 embraced subtle but significant changes. Year after year, Suzuki focused on refining the engine’s efficiency and the bike’s overall performance. One of the key milestones was the introduction of an electric start in addition to the traditional kickstart, making it more convenient for a wider range of riders. The shift to a disc brake system from drum brakes marked another significant advancement in both safety and handling.

Yearly Updates

The evolution of the GS125 can be chronicled through its annual updates, which included enhancements to its carburetor for better fuel economy and emissions control to meet evolving standards. Suzuki also introduced various colour schemes and stylistic tweaks to keep the model fresh and appealing to new generations of riders.

Riding into the Future

In terms of longevity, the GS125 stands out for its continued presence in many markets worldwide, especially in regions where 125cc bikes represent a substantial portion of the motorcycle industry. It remains a popular choice due to its blend of affordability, efficiency, and low maintenance requirements.

Performance and Handling

The Suzuki GS125’s performance is a harmonious blend of agility and stability, making it a favourite among 125cc motorcycles. Its single-cylinder, four-stroke engine provides a smooth and predictable power curve, ensuring a ride that’s as enjoyable in urban settings as it is on winding country roads. The bike’s lightweight frame contributes to its nimble handling, allowing riders to weave through traffic or take on corners with confidence and ease.

Comparisons with other 125cc Bikes

The Suzuki GS125 stands its ground in the competitive 125cc class, offering a reliable and enduring ride that compares favourably with the likes of the Yamaha YBR125 and the Honda CBF125. While the YBR125 boasts a modern fuel injection system for a sharper throttle response, and the CBF125 is acclaimed for its superior fuel efficiency, the GS125 remains competitive with its balanced power output and efficient fuel consumption. These motorcycles share a focus on urban practicality with engines that are optimized for quick acceleration and nimble city manoeuvring, though the GS125’s robust build grants it an edge in stability at higher speeds.

In terms of handling, the GS125’s heft offers a secure ride, contrasting with the Honda CBF125’s lighter frame and the Yamaha YBR125’s suspension geared for comfort. This makes the GS125 a reliable choice for both city commuting and longer stretches of road, where its sturdy construction and responsive brakes provide a controlled and comfortable journey. The GS125’s evolution in design and mechanics has kept it relevant against these contemporaries, proving Suzuki’s dedication to producing motorcycles that riders trust for both performance and pleasure.

Suzuki has consistently engineered the GS125 to be rider-friendly, focusing on a balance between performance and handling that suits a wide array of environments. The upright riding position reduces rider fatigue and provides a clear view of the road ahead, which is particularly beneficial for newer riders.

Handling at Its Core

Handling is where the GS125 truly shines. The suspension system is robust enough to handle potholes and uneven surfaces while still providing a comfortable ride. Responsive brakes, now upgraded to discs at the front, offer reliable stopping power, a crucial factor in the safety and control of the motorcycle.

Owners commonly report that the GS125’s handling inspires confidence, a crucial element for any motorbike. The combination of light steering and a forgiving clutch means riders can focus more on the road and less on managing the bike. This ease of handling makes the GS125 an excellent trainer bike but also a dependable choice for more experienced riders looking for a straightforward ride.

Maintenance and Reliability

Maintaining the Suzuki GS125 is straightforward, thanks to its simple design and robust construction. Routine maintenance tasks can be performed with basic mechanical knowledge and a few essential tools. Here’s a breakdown of common maintenance tasks along with their recommended intervals:

  • Engine oil change: Every 3,000 miles or 6 months
  • Air filter inspection/cleaning: Every 6,000 miles or 12 months
  • Spark plug replacement: Every 6,000 miles
  • Valve clearance check: Every 6,000 miles
  • Brake inspection: Every 2,500 miles or as needed
  • Chain inspection and lubrication: Every 600 miles or monthly

These tasks are well-documented in the owner’s manual and can be a DIY project for most enthusiasts, contributing to the lower overall cost of ownership.

Reliability Track Record

The GS125 is known for its reliability, with many units surpassing the 20,000-mile mark without major issues. However, like any vehicle, it has had its share of recalls and known issues, which Suzuki has addressed proactively. Notable among these were updates to the electrical system and adjustments to the carburettor settings to ensure consistent performance across different climates and altitudes.

User reviews often highlight the GS125’s longevity, with regular maintenance being a key factor. The bike’s resilience is partly due to its uncomplicated electronic systems and mechanical components, which are less prone to failure.

Suzuki GS125 Reviews and Testimonials

The Suzuki GS125 has earned a dedicated fanbase, with riders of various skills and backgrounds sharing their experiences. These testimonials provide valuable insights into the bike’s performance, design, and overall satisfaction.

Riders consistently commend the GS125 for its beginner-friendly handling and manoeuvrability, especially in urban environments. Its comfort over long rides is also a highlight. However, some riders wish for more power on highways and note that the bike feels somewhat outdated in terms of technology compared to newer models.

The GS125’s classic design is a hit among those who appreciate a retro look, and its compact size is appealing for newcomers to motorcycling. Yet, there are suggestions that its design, while timeless, could benefit from modern touches, particularly in the dashboard area.

Ease of maintenance and the widespread availability of spare parts are major pluses. The GS125’s engine is praised for its longevity and robust performance. On the flip side, older models may need more frequent carburettor tuning, and minor electrical issues are occasionally mentioned.


  • Beginner-friendly and easy to handle
  • Reliable and durable, with long-lasting performance
  • Low maintenance requirements
  • Classic, timeless design


  • Limited power for high-speed riding
  • Dated features in older models
  • Some instances of electrical and carburettor issues

In essence, the Suzuki GS125 is revered for its simplicity, reliability, and classic charm. Although it may lack the advanced features of newer motorcycles, its strengths in usability and maintenance make it a beloved choice for a diverse range of riders.

Frequently Asked Questions

Is the Suzuki GS125 suitable for beginners?

Absolutely. The GS125 is renowned for its user-friendly handling and manageable power output, making it an ideal choice for novice riders.

What is the top speed of the Suzuki GS125?

The GS125 typically reaches a top speed of around 65-70 mph (105-113 km/h), which is suitable for city commuting and moderate highway use.

How fuel-efficient is the GS125?

The GS125 is known for its excellent fuel efficiency, often averaging between 70-90 mpg (30-38 km/l), making it an economical choice for regular riders.

Are spare parts readily available for the GS125?

Yes, spare parts for the GS125 are widely available. Its long production run and popularity have ensured a steady supply of both OEM and aftermarket parts.

Does the GS125 have any common mechanical issues?

While generally reliable, some older GS125 models may require attention to the carburettor and occasional electrical system checks. Regular maintenance typically keeps these issues at bay.