Difference between revisions of "Junak WB1"
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{{Motorcycle | {{Motorcycle | ||
|name = | |name = Junak WB1 | ||
|photo=junak-wb1-1959-1965-1.jpg | |photo=junak-wb1-1959-1965-1.jpg | ||
|aka = | |aka = | ||
|manufacturer = | |manufacturer = Junak | ||
|parent_company = | |parent_company = | ||
|production = 1959 | |production = 1959 | ||
| Line 11: | Line 11: | ||
|predecessor = | |predecessor = | ||
|successor = | |successor = | ||
|class = | |class = Classic | ||
|engine = Four stroke, single cylinder, OHV, air-cooled | |engine = Four stroke, single cylinder, OHV, air-cooled | ||
|bore_stroke = 76.2mm x 76.2mm | |bore_stroke = 76.2mm x 76.2mm | ||
| Line 68: | Line 68: | ||
[[Category:Junak motorcycles]] | [[Category:Junak motorcycles]] | ||
[[Category:1950s motorcycles]] | [[Category:1950s motorcycles]] | ||
Latest revision as of 20:44, 23 November 2019
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| Junak WB1 | |
| Manufacturer | |
|---|---|
| Production | 1959 |
| Class | Classic |
| Engine | Four stroke, single cylinder, OHV, air-cooled |
| Bore / Stroke | 76.2mm x 76.2mm |
| Compression ratio | 7.0:1 |
| Horsepower | 19.04 HP (14.2 KW) @ 6000RPM |
| Torque | 19.92 ft/lbs (27.0 Nm) @ 3800RPM |
| Fuel System | Carburetor |
| Transmission | Gear box: 4-Speed Final Drive: Chain |
| Suspension | Front: Fork with coil springs telescopic shock absorbers Rear: ndependent rear wheel suspension on single wishbone, cooperating with 7- leaf spring positioned transversely |
| Brakes | Front: Full hub width, of expander shoe type, hand operated Rear: Full hub width, of expander shoe type, foot operated |
| Wheelbase | 79.09 inches (2009 mm) |
| Length | 86.42 inches (2195 mm) |
| Width | 58.7 inches (1491 mm) |
| Seat Height | 29.69 inches (754 mm) |
| Weight | 327.0 kg (wet) |
| Manuals | Service Manual |
The Junak WB1 was a Four stroke, single cylinder, OHV, air-cooled Classic motorcycle produced by Junak in 1959. Max torque was 19.92 ft/lbs (27.0 Nm) @ 3800 RPM. Claimed horsepower was 19.04 HP (14.2 KW) @ 6000 RPM.
Engine[edit | edit source]
A 76.2mm bore x 76.2mm stroke result in a displacement of just 349.0 cubic centimeters.
Drive[edit | edit source]
The bike has a 4-Speed transmission. Power was moderated via the Wet Multi-plate.
Chassis[edit | edit source]
Stopping was achieved via Full hub width, of expander shoe type, hand operated in the front and a Full hub width, of expander shoe type, foot operated in the rear. The front suspension was a Fork with coil springs telescopic shock absorbers while the rear was equipped with a ndependent rear wheel suspension on single wishbone, cooperating with 7- leaf spring positioned transversely. The wheelbase was 79.09 inches (2009 mm) long.
1959 - 1965 Junak WB1[edit | edit source]
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.