1. 1937 - Start of production of JAWA 100 Robot motorcycle (History/Prewar Jawa)
Two stroke air-cooled single cylinder with inverted scavenging * Displacement 98.8 cc (bore and stroke 47 x 57 mm) * Engine power 1.9 kW at 3750 r.p.m. * Compression ratio 5.7 to 1 * Three-speed gearbox with hand control in unit with engine * Freewh...
2. 1932 - Start of production of JAWA 175cc Villiers engined motorcycle (History/Prewar Jawa)
JAWA 175 Villiers: Two stroke three port single cylinder * Displacement 172.6 cc (bore - stroke 57.2X67 mm) * Engine power 3.6 kW at 3750 r.p.m. * Compression ratio 6.7 to 1 * Deflector piston * Intake port on side of the cast iron cylinder ...
3. 1929 - First JAWA 500 OHV Motorcycle produced - Rumpál (History/Prewar Jawa)
Four stroke OHV (OverHead Valve) single cylinder * Displacement 498.7 cc (bore and stroke 84 x 90 mm) * Engine power 13.2 kW * Forced feed dry sump lubrication * Three-speed gearbox in unit with engine, hand control * Rigid suspension r...
4. 1935 - Start of production of JAWA 250 Special motorcycle (History/Prewar Jawa)
Two-stroke single cylinder engine * Displacement 248 cc (bore and stroke 63 x 80 mm) * Engine power 6.6 kW at 3850 rpm * Amal carburetor (starting at the production number 70001), or Graetzin (starting at the production number 86001) * Three...
5. 1935 - Start of production of JAWA 350 OHV motorcycle (History/Prewar Jawa)
Four stroke air-cooled OHV single cylinder * Displacement 346 cc (bore and stroke 70 x 90 mm) * Engine power 11 kW at 4000 r.p.m. * Compression ratio 6 to 1 * Total lubrication with double-acting piston pump * Separate four-speed gearbox wit...
6. 1939 - Start of production of JAWA 250 Duplex motorcycle (History/Prewar Jawa)
Two stroke air-cooled single cylinder with inverted scavenging * Displacement 248 cc (bore and stroke 68 x 68 mm) * Engine power 6.6 kW al 4000 r.p.m. * Compression ratio 6 to 1 * Four-speed gearbox with foot control bolted to the engine for...
7. 1934 - Start of production of JAWA 350 SV motorcycle (History/Prewar Jawa)
Four stroke air cooled SV single cylinder * Displacement 346 cc (bore and stroke 70x90 mm) * Engine power 8.8 kW * Compression ratio 5 to 1 * Oil pump lubrication with oil amount regulation * Separate four-speed gearbox with hand control * C...
