Yamaha Why - 2009 Specifications and Reviews
The 2009 Yamaha Why is a compact 49cc two-stroke scooter designed for new and casual riders seeking economical urban commuting. Its lightweight frame, automatic transmission, and minimal maintenance requirements make it ideal for beginners navigating city streets. Known for its reliability and fuel efficiency, the Why excels as an affordable entry-level scooter.
Engine and Transmission Specifications | |
| Transmission type,final drive | Belt |
| Gearbox | Automatic |
| Cooling system | Air |
| Lubrication system | Separate lubrication |
| Ignition | CDI |
| Fuel system | Carburettor |
| Bore x stroke | 40.0 x 39.2 mm (1.6 x 1.5 inches) |
| Compression | 7.3:1 |
| Torque | 3.50 Nm (0.4 kgf-m or 2.6 ft.lbs) @ 6250 |
| Power | 3.21 |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 49.20 ccm (3.00 cubic inches) |
| Category | Scooter |
| Year | 2009 |
| Model | Yamaha Why |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 110 mm (4.3 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 80/90-16 |
| Front tyre dimensions | 70/90-16 |
| Rear suspension travel | 70 mm (2.8 inches) |
| Rear suspension | Unit swing |
| Front suspension travel | 80 mm (3.1 inches) |
| Front suspension | Telescopic fork |
| | |
Physical measures and capacities | |
| Fuel capacity | 7.00 litres (1.85 gallons) |
| Wheelbase | 1,294 mm (50.9 inches) |
| Ground clearance | 125 mm (4.9 inches) |
| Overall width | 685 mm (27.0 inches) |
| Overall length | 1,940 mm (76.4 inches) |
| Overall height | 1,105 mm (43.5 inches) |
| Seat height | 765 mm (30.1 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 78.0 kg (172.0 pounds) |
Other specs | |
| Starter | Electric & kick |






































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