MBK Nitro - 2005 Specifications and Reviews

The 2005 MBK Nitro is a lightweight 49cc scooter designed for urban commuters and new riders seeking practical, fuel-efficient transportation. Its compact two-stroke engine delivers modest performance ideal for city riding, while the hydraulic suspension and automatic clutch provide easy, hassle-free operation. Known for reliability and low maintenance costs, it remains a popular choice for short-distance daily commuting.

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Engine and Transmission Specifications

ClutchAutomatic centrifugal
Cooling systemLiquid
Lubrication systemSeparate lubrication
IgnitionElectronic (C.D.I.)
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 typeIn-line six, two-stroke
Capacity:49.00 ccm (2.99 cubic inches)

CategoryScooter
Year2005
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 suspensionHydraulic unit swing
Front suspensionHydraulic and telescopic fork
 
 

Physical measures and capacities

Fuel capacity7.00 litres (1.85 gallons)
Wheelbase1,256 mm (49.4 inches)
Ground clearance185 mm (7.3 inches)
Seat height828 mm (32.6 inches) If adjustable, lowest setting.
Power/weight ratio0.0291 HP/kg
Dry weight92.0 kg (202.8 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

2005 MBK Nitro Rider Ergonomics Assessment

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Feet:

At 828mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2005 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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