WSK 175 W21B2S2 1977 - Specifications & Review
Article Complete Info
| Articleid | 907719 |
|---|---|
| Category | Enduro-offroad |
| Make | WSK |
| Model | 175 W21B2S2 |
| Year | 1977 |
Chassis, Suspension, Brakes & Wheels
| Frametype | Single, steel welded tubes |
|---|---|
| Frontbrakes | Expanding brake (drum brake) |
| Frontbrakesdiameter | 135 mm (5.3 inches) |
| Frontsuspension | Coil springs with oil shock absorbers in fork |
| Fronttyre | 3/0-19 |
| Frontwheeltravel | 150 mm (5.9 inches) |
| Rearbrakes | Expanding brake (drum brake) |
| Rearbrakesdiameter | 135 mm (5.3 inches) |
| Rearsuspension | Trailing arms with two coil springs and oil shock absorbers |
| Reartyre | 3/0-18 |
Engine & Transmission
| Borexstroke | 61.0 x 59.5 mm (2.4 x 2.3 inches) |
|---|---|
| Clutch | Wet 4 plate |
| Compression | 9.0:1 |
| Coolingsystem | Air |
| Displacement | 173.80 ccm (10.61 cubic inches) |
| Enginedetails | Single cylinder, two-stroke |
| Exhaustsystem | Steel single pipe |
| Fuelconsumption | 3.00 litres/100 km (33.3 km/l or 78.41 mpg) |
| Fuelsystem | Carburettor. Bing 1/26/125/II 26 mm |
| Gearbox | 4-speed |
| Greenhousegases | 69.6 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Ignition | Magneto |
| Lubricationsystem | Mixture 1 : 30 |
| Maxrpm | 6600 |
| Power | 14.00 HP (10.2 kW)) @ 6300 RPM |
| Topspeed | 100.0 km/h (62.1 mph) |
| Torque | 16.67 Nm (1.7 kgf-m or 12.3 ft.lbs) @ 5800 RPM |
| Transmissiontypefinaldrive | Chain |
Other Specifications
| Coloroptions | Orange only |
|---|---|
| Modificationscomparedtopreviousmodel | Face lifting of W21B2S1 |
| Starter | Kick |
Physical Measures & Capacities
| Dryweight | 111.0 kg (244.7 pounds) |
|---|---|
| Fuelcapacity | 8.00 litres (2.11 gallons) |
| Overallheight | 1,080 mm (42.5 inches) |
| Overalllength | 2,020 mm (79.5 inches) |
| Overallwidth | 860 mm (33.9 inches) |
| Powerweightratio | 0.1261 HP/kg |
| Reservefuelcapacity | 2.00 litres (0.53 gallons) |
About WSK 175 W21B2S2 1977
Introducing the 1977 WSK 175 W21B2S2: The Enduro Enthusiast's Companion
The 1977 WSK 175 W21B2S2 is a remarkable example of vintage enduro motorcycles that seamlessly blend rugged utility with spirited performance. Hailing from Poland, this nimble machine carved its niche in the market as an affordable, approachable option for riders looking to explore off-road trails without sacrificing comfort and ease of handling. With its distinct orange finish and classic lines, the W21B2S2 not only stands out visually but also showcases the essence of late 70s engineering focused on reliability and functionality.
At the heart of the WSK 175 is a spirited single-cylinder, two-stroke engine with a displacement of 173.80 ccm. This powerplant produces a respectable 14 HP at 6,300 RPM, delivering impressive torque of 16.67 Nm at 5,800 RPM. The motorcycle's lightweight frame, weighing in at just 111 kg (244.7 lbs), combined with a top speed of 100 km/h (62.1 mph), offers an exhilarating ride across diverse terrains. The 4-speed gearbox and wet 4-plate clutch ensure smooth transitions during shifts, while the air-cooled engine keeps it running optimally even in challenging conditions. Riders will appreciate the fuel efficiency of 3.00 litres per 100 km, allowing for extended adventures without frequent stops for refueling.
The WSK 175 W21B2S2 is equipped with functional features that enhance its off-road capabilities. The bike is built on a robust single steel tube frame, providing a solid foundation for tackling rough trails. Front and rear suspensions utilize coil springs and oil shock absorbers, offering 150 mm of travel for absorbing bumps and ensuring a comfortable ride. The drum brakes, though simplistic, are reliable and effective for managing speed on varied surfaces. The kick-starter adds to the motorcycle's classic charm, ensuring you're always ready for the next ride. The overall design emphasizes a blend of simplicity and practicality, making it an ideal choice for both novice and experienced riders.
PROs:
- Lightweight and Nimble: Weighing only 111 kg, the W21B2S2 offers excellent maneuverability, making it easy to handle both on-road and off-road.
- Fuel Efficiency: With a consumption rate of 3.00 litres per 100 km, this bike is economical for long-distance riding, allowing riders to explore more without constant refueling.
- Robust Suspension: The coil spring and oil shock absorber system provide a smooth ride over uneven terrain, enhancing comfort during extended rides.
CONs:
- Limited Top Speed: Although adequate for off-road trails, the top speed of 100 km/h may be limiting for riders seeking a more thrilling highway experience.
- Drum Brakes: While effective, the drum brakes may not provide the same level of stopping power and responsiveness as modern disc brakes.
- Kick Starter Only: The absence of an electric start can be a drawback for some riders, particularly in challenging conditions or for those accustomed to more modern conveniences.
In summary, the 1977 WSK 175 W21B2S2 remains a beloved classic for enduro enthusiasts, offering a unique blend of performance, style, and simplicity that is hard to resist. Whether you’re navigating scenic backroads or tackling rugged trails, this motorcycle promises a nostalgic ride that captures the spirit of adventure.