350 Type 634.6

1981 Jawa 350 Type 634.6 Technical Analysis & Specification Breakdown

Engineered by Jawa for the classic motorcycle segment, the 1981 Jawa 350 Type 634.6 relies on a 343 cc (20.9 cu in) air-cooled twin, two-stroke powerplant. In factory specification, peak output is rated at 24 HP (17.5 kW) at 5,250 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 70 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 350 Type 634.6 measures 175 kg (386 lbs) wet (curb), translating to a power-to-weight ratio of 0.14 HP/kg (7.29 kg per horsepower). The 17-liter (4.5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 125 km/h (78 mph).

Within MotoLibrary's Jawa archive, this model family spans 3 indexed model years from 1981 to 1983, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.