Engine IAME S125 - 125cc Complete NEW 2026 !

IAME S125 – 125cc 2-Stroke Water-Cooled Engine

The IAME S125 is a newly engineered 125cc single-cylinder, 2-stroke water-cooled engine designed specifically for modern karting.
It combines the ease of electric starting with technical solutions inspired by high-end racing engines.

Its power curve is developed to deliver strong torque from low rpm, providing performance suited to today’s drivers. All this is achieved without an exhaust valve, ensuring ease of use and low maintenance.

Technical Specifications

🔵 Displacement: 124.08 cc
🔵 Bore: Ø 53.89 mm (max Ø 54.08 mm)
🔵 Stroke: 54.40 mm
🔵 Configuration: Single-cylinder 2-stroke
🔵 Ports: 5
🔵 Intake: Reed valve
🔵 Lubrication: Fuel/oil premix
🔵 Ignition: Digital
🔵 Transmission: Dry centrifugal clutch
🔵 Cooling: Water
🔵 Balancer shaft: Present
🔵 Starter: Electric
🔵 Carburetor: Tillotson HW-50A
🔵 Max power: 37 HP @ 11,500 rpm
🔵 Max torque: 23.5 Nm @ 10,750 rpm
🔵 RPM limit: 16,000 rpm

Engine supplied complete with:
🔵 Wiring loom
🔵 Carburetor
🔵 Air filter
🔵 Radiator and water pump
🔵 Exhaust system

Engine mount plate not included