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WSK 175 W 21 B 2 S 2
1977
1977
The 1977 WSK 175 W 21 B 2 S 2 represents a fascinating snapshot of Polish motorcycle manufacturing from the late 1970s. Emerging from the WSK Mielec factory, this model continued a lineage of utilitarian and accessible two-wheelers designed for the everyday rider in Eastern Europe. In its class, it competed directly with other practical machines of the era, such as the Jawa 175 and MZ ETZ 125, aiming to provide reliable and economical transport for a broad user base.
At the heart of the WSK 175 W 21 B 2 S 2 was its 173.8 ccm (10.61 cubic inches) single-cylinder, two-stroke engine. This powerplant generated a respectable 16.7 Nm (1.7 kgf-m or 12.3 ft.lbs) of torque, peaking at 5800 RPM. Such figures were sufficient to propel the 111.0 kg (244.7 pounds) machine to a top speed of 100.0 km/h (62.1 mph). Fuel capacity stood at 8.00 litres (2.11 US gallons), offering a practical range for daily commutes and inter-town travel, aligning with the needs of a rider seeking economical operation.
Riding characteristics of the WSK 175 W 21 B 2 S 2 would have been defined by its upright stance, typical of a standard motorcycle designed for general utility. The suspension and ergonomics were likely tuned for comfort over longer distances, prioritizing absorbency over aggressive handling. Its modest power output and moderate weight suggest an approachable machine, easy to maneuver in various conditions without being overly demanding on the rider. The overall design emphasized functionality and resilience, rather than high-performance thrills.
The target audience for the 1977 WSK 175 W 21 B 2 S 2 was undoubtedly the practical commuter or the rural rider needing a dependable and cost-effective mode of transport. It wasn't built for speed enthusiasts or those seeking cutting-edge features, but rather for individuals who valued reliability, ease of maintenance, and economical running costs. Its straightforward design and robust construction made it a workhorse for its time, providing essential mobility to countless individuals in its native market and beyond.
✅ Why buy this bike?
• Simple, robust two-stroke engine design offers ease of maintenance for the home mechanic. • Lightweight construction contributes to nimble handling, especially on unpaved roads and trails. • Excellent fuel economy for its era, making it an economical choice for daily commuting. • High parts availability due to widespread use in Eastern Bloc countries, even decades later. • Low purchase price, even today, makes it an accessible entry point into classic motorcycle ownership. • Air-cooled engine is less complex than liquid-cooled systems, reducing potential failure points.⚠️ Things to consider
• Limited top speed and acceleration compared to modern bikes, not suitable for highway cruising. • Vibrations from the single-cylinder engine can be significant, especially at higher RPMs. • Drum brakes offer less stopping power and feel than disc brakes, requiring longer braking distances. • Basic suspension provides minimal comfort and limited performance over rough terrain. • Two-stroke emissions are higher than four-stroke engines, making it less environmentally friendly.Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.
Manufacturer-quoted consumption: 3.00 litres/100 km (33.3 km/l or 78.41 mpg).
⛽ Tank: 8.00 litres (2.11 US gallons)
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