14 August. Friday 2026
MBK Stunt Naked - 2009 Specifications and Reviews
The 2009 MBK Stunt Naked is a lightweight 50cc scooter designed for urban commuters and entry-level riders seeking practical city transport. Its automatic transmission and compact frame make it ideal for navigating congested streets, while the air-cooled single-cylinder engine delivers reliable everyday performance. Known for its accessibility and low maintenance requirements, it suits budget-conscious riders prioritizing simplicity and fuel efficiency.
2009
Engine and Transmission Specifications | |
| Transmission typefinal drive | Belt |
| Gearbox | Automatic |
| Cooling system | Air |
| Lubrication system | Separate lubrication |
| Starter | Electric & kick |
| Ignition | CDI |
| Bore x stroke | 40.0 x 39.2 mm (1.6 x 1.5 inches) |
| Compression | 11.2:1 |
| Torque | 4.00 |
| Power | 3.62 |
| Stroke | 2 |
| Engine type | Single cylinder |
| Capacity: | 49.90 ccm (3.04 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,202 mm (47.3 inches) |
| Ground clearance | 155 mm (6.1 inches) |
| Overall width | 711 mm (28.0 inches) |
| Overall length | 1,785 mm (70.3 inches) |
| Seat height | 787 mm (31.0 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 82.0 kg (180.8 pounds) |
| Dry weight | 267.0 kg (588.6 pounds) |
MBK Stunt Naked dimensions and frame | |
| Rear brakes diameter | 110 mm (4.3 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes diameter | 190 mm (7.5 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 130/90-10 |
| Front tyre dimensions | 120/80-12 |
| Rear suspension travel | 60 mm (2.4 inches) |
| Rear suspension | Unit swing |
| Front suspension travel | 80 mm (3.1 inches) |
| Front suspension | Telescopic fork |
Speed and acceleration | |
| Power/weight ratio | 0.0136 HP/kg |
| Category | Scooter |
| Year | 2009 |
| Model | MBK Stunt Naked |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Oil capacity | 1.40 litres (0.09 quarts) |
| Fuel capacity | 5.50 litres (1.45 gallons) |
Performance Profile & Rider Fit
3.6 hp
Peak Power
Best For
Track5%
City75%
Cornering30%
Daily Riding60%
Touring10%
Passenger20%
Rider Profile
| Best For | Note: the dry weight figure of 267 kg looks inconsistent with a 50cc scooter and is likely a data error, but the profile below is based on the rest of the given specs treating this as a typical small-displacement automatic scooter. |
| Purpose | Built as a nimble, low-powered urban runabout for short commutes and errands rather than any kind of performance riding. |
| Rider Fit | Very low seat height and light, narrow dimensions make it easy for almost any rider, including shorter or less experienced ones, to handle confidently. |
| Character | A friendly, unintimidating scooter with automatic transmission that prioritizes ease of use and step-through convenience over speed or excitement. |
| Not Ideal For | Not suitable for highway travel, long-distance touring, carrying a passenger comfortably, or any off-road use. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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