Yamaha Why: history, specs, pictures
| Yamaha Why | |
| Manufacturer | |
|---|---|
| Production | 2006 - 2010 |
| Engine | single cylinder, two-stroke |
| Bore / Stroke | 40.0mm x 39.2mm |
| Horsepower | 3.22 HP (2.4 KW) @ 6500RPM |
| Torque | 2.58 ft/lbs (3.5 Nm) @ 6250RPM |
| Fuel System | carburetor |
| 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 | 70/90-16 |
| Rear Tire | 80/90-16 |
| Wheelbase | 50.94 inches (1294 mm) |
| Length | 76.38 inches (1940 mm) |
| Width | 26.97 inches (685 mm) |
| Height | 43.5 inches (1105 mm) |
| Seat Height | 30.12 inches (765 mm) |
| Weight | 160.94 pounds (73.0 Kg) (dry), 78.0 kg (wet) |
| Recommended Oil | Yamalube 10w-40 |
| Fuel Capacity | 1.85 Gallon (7.00 Liters) |
| Manuals | Service Manual |
The Yamaha Why was a single cylinder, two-stroke standard produced by Yamaha between 2006 and 2010. Max torque was 2.58 ft/lbs (3.5 Nm) @ 6250 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.
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 70/90-16 front tire and a 80/90-16 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 Why was fitted with a 1.85 Gallon (7.00 Liters) fuel tank. The bike weighed just 160.94 pounds (73.0 Kg). The wheelbase was 50.94 inches (1294 mm) long.