Four X Pro-R

2007 Lem Four X Pro-R Technical Analysis & Specification Breakdown

Positioned in Lem's enduro - offroad motorcycle lineup, the 2007 Lem Four X Pro-R pairs a 125 cc (7.6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 8.5 HP (6.2 kW), transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 68 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the Four X Pro-R measures 65.2 kg (144 lbs) dry, translating to a power-to-weight ratio of 0.13 HP/kg (7.67 kg per horsepower). Rider ergonomics and chassis geometry center around a 780 mm (30.7 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,184 mm (46.6 in) wheelbase engineered for quick, flickable steering geometry. The 2-liter (0.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.