A 125cc Briggs & Stratton lawn mower is a popular, reliable, and fuel-efficient walk-behind mower ideal for small to medium-sized residential yards. Typically powered by the 450E or E300 series engines, they deliver dependable performance (around 2.75 horsepower) and feature easy Prime 'N Pull starting.Key Specifications & FeaturesEngine Displacement: 125cc (OHV 4-stroke)Torque: Roughly 6.1 Nm of gross torqueFuel Capacity: ≈ 0.8 LitersDeck Size: Commonly ranges from 16'' to 21''Starting: Prime 'N Pull technology (usually 3 pushes on the primer bulb and a cord pull)Options: Available as standard push mowers or self-propelled units