14 August. Friday 2026
Yamaha Bws Naked - 2009 Specifications and Reviews
The 2009 Yamaha BWs Naked is a lightweight 49cc scooter ideal for novice riders and urban commuters seeking affordable, easy-to-ride mobility. Its air-cooled single-cylinder engine delivers modest power suited for city streets and short-distance travel. The automatic transmission and dual electric/kick starting system emphasize practicality and reliability for everyday commuting.
Engine and Transmission Specifications | |
| Transmission typefinal drive | Belt |
| Gearbox | Automatic |
| Cooling system | Air |
| Starter | Electric & kick |
| Ignition | CDI |
| Bore x stroke | 40.0 x 39.2 mm (1.6 x 1.5 inches) |
| Compression | 7.2:1 |
| Torque | 3.60 |
| Power | 3.21 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 49.20 ccm (3.00 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,172 mm (46.1 inches) |
| Ground clearance | 124 mm (4.9 inches) |
| Overall width | 675 mm (26.6 inches) |
| Overall length | 1,685 mm (66.3 inches) |
| Seat height | 768 mm (30.2 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 82.0 kg (180.8 pounds) |
Yamaha Bws Naked dimensions and frame | |
| Rear brakes diameter | 110 mm (4.3 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes diameter | 180 mm (7.1 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 150/80-10 |
| Front tyre dimensions | 120/90-10 |
| Rear suspension travel | 70 mm (2.8 inches) |
| Rear suspension | Unit swing |
| Front suspension travel | 70 mm (2.8 inches) |
| Front suspension | Telescopic fork |
| | |
Speed and acceleration | |
| Fuel capacity | 5.30 litres (1.40 gallons) |
| Category | Scooter |
| Year | 2009 |
| Model | Yamaha BWs Naked |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
3.2 hp
Peak Power
Best For
Track5%
City85%
Cornering40%
Daily Riding70%
Touring10%
Passenger25%
Rider Profile
| Best For | This is an entry-level 50cc scooter suited to beginners, new riders, or anyone needing a license-friendly moped-class runabout. |
| Purpose | Built purely for short-hop urban commuting and errands, not for speed, distance, or performance riding. |
| Rider Fit | Its low seat height, light dry weight, and automatic belt transmission make it extremely easy and unintimidating for riders of almost any size or skill level. |
| Character | A simple, no-frills small-wheel scooter with a friendly, practical, and unpretentious personality suited to everyday city errands. |
| Not Ideal For | This is not for riders wanting highway speed, long-distance touring comfort, a passenger-friendly ride, or any kind of off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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