Yamaha BWs50: history, specs, pictures
| Yamaha BWs50 | |
| Manufacturer | |
|---|---|
| Also called | BWs MotoGP, BWs NG, BWs Next Generation, BWs12, BWs 12, BWs, BWs Original 50, BWs Naked 50, BWs12 inch, BWs 12 inch, BWs Easy 50, BWs 12inch, BWs Original, BWs Naked, BWs Easy |
| Production | 2006 - 2016 |
| Engine | single cylinder, two-stroke |
| Bore / Stroke | 40.0mm x 39.2mm |
| Horsepower | 3.22 HP (2.4 KW) @ 6500RPM |
| Torque | 2.66 ft/lbs (3.6 Nm) @ 6000RPM |
| Fuel System | carburetor. gurtner |
| Ignition | cdi |
| Transmission | Gear box: automatic Final Drive: belt |
| Suspension | Front: telescopic fork Rear: unit swing |
| Brakes | Front: single disc Rear: expanding brake (drum brake) |
| Front Tire | 120/90-10 |
| Rear Tire | 150/80-10 |
| Wheelbase | 46.14 inches (1172 mm) |
| Length | 66.34 inches (1685 mm) |
| Width | 27.17 inches (690 mm) |
| Height | 42.13 inches (1070 mm) |
| Seat Height | 30.24 inches (768 mm) |
| Weight | 180.78 pounds (82.0 Kg) (dry), 82.0 kg (wet) |
| Recommended Oil | Yamalube 10w-40 |
| Fuel Capacity | 1.4 Gallon (5.30 Liters) |
| Manuals | Service Manual |
The Yamaha BWs Original was a single cylinder, two-stroke standard produced by Yamaha between 2006 and 2016. Max torque was 2.66 ft/lbs (3.6 Nm) @ 6000 RPM. Claimed horsepower was 3.22 HP (2.4 KW) @ 6500 RPM.
Engine[edit | edit source]
The engine was a air cooled single cylinder, two-stroke. A 40.0mm bore x 39.2mm stroke result in a displacement of just 49.2 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).
Drive[edit | edit source]
The bike has a automatic transmission. Power was moderated via the automatic centrifugal.
Chassis[edit | edit source]
It came with a 120/90-10 front tire and a 150/80-10 rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic fork while the rear was equipped with a unit swing. The BWs Original was fitted with a 1.4 Gallon (5.30 Liters) fuel tank. The bike weighed just 180.78 pounds (82.0 Kg). The wheelbase was 46.14 inches (1172 mm) long.