MBK Nitro - 2009 Specifications and Reviews

The 2009 MBK Nitro is an entry-level 50cc scooter ideal for urban commuters and new riders seeking affordable, practical transportation. Its lightweight two-stroke engine delivers adequate power for city riding with minimal maintenance needs. Known for reliability and ease of use, it remains a popular choice for first-time scooter owners.

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Engine and Transmission Specifications

ClutchCentrifugal Automatic
Transmission type,final driveBelt
GearboxAutomatic
Cooling systemLiquid
IgnitionCDI
Bore x stroke40.0 x 39.2 mm (1.6 x 1.5 inches)
Compression7.4:1
Torque3.70 Nm (0.4 kgf-m or 2.7 ft.lbs) @ 4500
Power2.68
Engine typeSingle cylinder, two-stroke
Capacity:49.20 ccm (3.00 cubic inches)
 
 

CategoryScooter
Year2009
ModelMBK Nitro

Brakes, suspension, Frame and wheels

Rear brakes diameter190 mm (7.5 inches)
Rear brakesSingle disc
Front brakes diameter190 mm (7.5 inches)
Front brakesSingle disc
Rear tyre dimensions140/60-13
Front tyre dimensions130/60-13
Rear suspension travel70 mm (2.8 inches)
Rear suspensionUnit swing
Front suspension travel80 mm (3.1 inches)
Front suspensionTelescopic fork

Physical measures and capacities

Oil capacity1.20 litres (0.08 quarts)
Fuel capacity5.50 litres (1.45 gallons)
Wheelbase1,256 mm (49.4 inches)
Ground clearance185 mm (7.3 inches)
Overall width690 mm (27.2 inches)
Overall length1,743 mm (68.6 inches)
Seat height828 mm (32.6 inches) If adjustable, lowest setting.
Power/weight ratio0.0276 HP/kg
Weight incl. oil, gas, etc82.0 kg (180.8 pounds)
Dry weight97.0 kg (213.8 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric & kick

Performance Profile & Rider Fit

2.7 hp
Peak Power

Best For

Track5%
City88%
Cornering40%
Daily Riding75%
Touring12%
Passenger20%

Rider Profile

Best ForSuited to beginner riders or those with a basic moped/scooter license, requiring minimal prior riding skill.
PurposeBuilt purely for short urban hops, errands, and light commuting rather than any performance riding.
Rider FitVery low physical demand thanks to its light weight, automatic transmission, and low seat height, making it easy for smaller or less experienced riders to manage.
CharacterA nimble, playful little 50cc two-stroke scooter with sporty styling that promises more visual flair than actual performance.
Not Ideal ForNot suitable for highway travel, long-distance touring, carrying a passenger comfortably, or anyone seeking real acceleration or power.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2009 MBK Nitro Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 828mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2009 MBK Nitro, with a moderate knee angle of around 105 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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