JUNAK WB1 (1959-1965) Specs, Performance & Photos
Maintained by:
Segment: Clasic
Production years: 1959, 1960, 1961, 1962, 1963, 1964, 1965
2 Photos
Szczecin Motorcycle Factory developed and started to produce in 1959 a M07 with passenger side loader , branded as the WB1 and was later followed by the WB3. In essence these two motorcycles are the same - the WB1 is based on the M07 and the WB2 on the later model M10.
JUNAK WB1 1959-1965
JUNAK WB1 349
| engine specs | Type: | Four stroke, single cylinder, OHV, air-cooled | Displacement: | 349 cm3 | Bore X Stroke: | 3.0x3.1 in OR 76 mm | Compression Ratio: | 7.0:1 | Horsepower: | 19/6000 KW(hp)/RPM | Torque: | 20/3800 lb-ft/RPM OR 27/3800 Nm/RPM | Fuel System: | Carburetor |
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| transmission specs | Gearbox: | 4-Speed | Clutch: | Wet Multi-plate | Primary Drive: | - | Final Drive: | Chain |
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| chassis specs | Frame: | Double, cradle-type, welded throughout of tubing, provided with holders for side car mounting | Front Suspension: | Fork with coil springs telescopic shock absorbers | Rear Suspension: | ndependent rear wheel suspension on single wishbone, cooperating with 7- leaf spring positioned transversely | Front Brake: | Full hub width, of expander shoe type, hand operated | Rear Brake: | Full hub width, of expander shoe type, foot operated |
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| dimension specs | Overall Length: | 86.4 in OR 2195 mm | Overall Width: | 58.7 in OR 1491 mm | Seat Height: | 29.7 in OR 754 mm | Wheelbase: | 79.1 in OR 2009 mm | Ground Clearance: | 6.7 in OR 170 mm | Weight: | 721 lbs OR 327 kg | Fuel Capacity: | 4.5 gallons OR 17.0 L |
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| tyres specs | Front: | - | Rear: | - |
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| power system specs | Power pack: | - | Nominal Capacity: | - | Maximum Capacity: | - | Charger type: | - | Charging time (normal): | - | Charging time (quick): | - | Range: | - |
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