350 Type 638.5 (with sidecar)

1986 Jawa 350 Type 638.5 (with sidecar) Technical Analysis & Specification Breakdown

Engineered by Jawa for the classic motorcycle segment, the 1986 Jawa 350 Type 638.5 (with sidecar) features a 343 cc (20.9 cu in) air-cooled twin, two-stroke configuration. In factory specification, peak output is rated at 26 HP (19 kW) at 5,500 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 75.8 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 638.5 (with sidecar) measures 225 kg (496 lbs) wet (curb), translating to a power-to-weight ratio of 0.12 HP/kg (8.65 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 100 km/h (62 mph).

Within MotoLibrary's Jawa archive, this model family spans 3 indexed model years from 1984 to 1986, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.