Suzuki RG 125

The Suzuki RG 125 Gamma, a quintessential representation of Suzuki’s engineering prowess, embodies a blend of performance, aesthetic allure, and reliability in the 125cc motorbike category. Its evolution from its debut in 1985 to upgraded versions in the 90s showcases Suzuki’s commitment to delivering enhanced performance and rider comfort. The RG 125 Gamma’s lightweight frame and spirited performance continue to resonate with riders, making it a cherished model in Suzuki’s motorbike lineage.

Technical Specs

Engine & Performance

Engine Type Single cylinder, two-stroke
Engine Size/Displacement 124 cc
Horsepower and Torque 25 HP @ 9,500 RPM
19.1 Nm @ 8,500 RPM


Chassis & Suspension

Frame Type
Front/Rear Suspension
Front/Rear Brake Single disc / Expanding brake


Dimensions & Weight

Seat Height 720 mm
Wheelbase 1,310 mm
Dry Weight 94.0 kg


Transmission & Fuel

Number of Gears 6-speed
Fuel Capacity 13.00 litres
Fuel Economy 45.06 mpg


History and Evolution

Diving into the history and evolution of the Suzuki RG 125 Gamma takes us back to the mid-1980s when the model was introduced. Here’s how the model evolved over the years, with a particular focus on its engineering marvel and iconic appeal:

Introduction and Early Years (1985 – 1991)

The Suzuki RG 125 Gamma made its debut in 1985, showcasing Suzuki’s engineering prowess with a two-stroke, single-cylinder engine featuring a crankcase reed valve. The engine had a compression ratio of 7.4:1, indicating a performance-oriented design from the onset​. During this period, the RG 125 Gamma underwent various updates to its engine and chassis, aligning with Suzuki‘s commitment to performance and handling.

1991 – Further Evolution

By 1991, the model known as the Suzuki RG 125 Wolf showcased a more refined 124cc two-stroke single-cylinder liquid-cooled engine, capable of delivering a power output of 22 hp at 10,000 rpm and 17 Nm of torque​​. This year marked a significant milestone as the RG 125 Gamma continued to evolve, reflecting Suzuki’s continuous strive for engineering excellence and performance optimization.

Iconic ’90s Two-Stroke Racer

The 1991 Suzuki RG125 Gamma was heralded for its rocketing abilities despite its diminutive size, embodying the spirit of ’90s two-stroke racers. Its design allowed it to punch above its weight class, establishing a legacy that would be remembered in the motorcycling community​.

Performance and Handling

The Suzuki RG 125 Gamma is revered for its impressive performance metrics and nimble handling. Equipped with a two-stroke, single-cylinder engine, it outputs around 25 horsepower at 9,500 rpm and 19.1 Nm of torque at 8,500 rpm. The bike can reach a top speed of 111 km/h (69 mph)​.

Weighing between 94 to 96 kg (207 to 211 lbs), the RG 125 Gamma is fairly lightweight, ensuring ease of handling. The 6-speed transmission and balanced suspension setup contribute to a smooth and responsive ride.

When compared to the Honda NS 125F, the RG 125 Gamma holds its ground, offering similar exhilarating performance. Both bikes are depicted as evenly matched in a friendly competition, embodying the spirit of spirited riding among enthusiasts​.

The Suzuki RG 125 Gamma, through continuous refinements over the years, presents a blend of power, agility, and competitive spirit, promising an engaging ride experience whether on a solo journey or amidst friendly rivalry on the roads.

Maintenance and Reliability

The Suzuki RG 125 Gamma, like other two-stroke motorcycles, demands a regimen of regular maintenance to ensure its performance and longevity.

  • Fluid Checks and Replacements: Regularly checking and replacing engine oil, coolant, and brake fluid is crucial. Two-stroke engines like the one in the RG 125 Gamma require a mix of oil and fuel, and ensuring the correct mix ratio is vital for engine performance and lifespan.
  • Air Filter Cleaning: Keeping the air filter clean ensures optimal engine breathing and efficiency.
  • Spark Plug Inspection and Replacement: A well-functioning spark plug is essential for engine performance. Regular inspections and replacements when necessary contribute to better fuel efficiency and reliable engine starts.
  • Chain Lubrication and Adjustment: Regular chain lubrication and adjustment ensure smooth power transmission and extend the chain’s lifespan.