640 Style 350

1996 Jawa 640 Style 350 Technical Analysis & Specification Breakdown

Engineered by Jawa for the naked motorcycle segment, the 1996 Jawa 640 Style 350 utilizes a 343 cc (20.9 cu in) air-cooled twin, two-stroke layout. In factory specification, peak output is rated at 23.6 HP (17.2 kW) at 5,250 rpm while maximum torque reaches 38.2 Nm (28.2 lb-ft) at 4,500 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 68.8 HP per liter and a 750 rpm working window between peak torque (4,500 rpm) and peak power (5,250 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the 640 Style 350 measures 150 kg (331 lbs) dry, translating to a power-to-weight ratio of 0.16 HP/kg (6.36 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.