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Scooter · 2022

Smart 150

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MotoLibrary Score
36 /100 Commuter
Power/Weight
0.12 hp/kg
Top Speed
90 km/h
Torque
8 Nm
Engine
150 ccm

2022 Serpento Smart 150 Technical Analysis & Specification Breakdown

Positioned in Serpento's scooter motorcycle lineup, the 2022 Serpento Smart 150 utilizes a 149.6 cc (9.1 cu in) air-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 11.1 HP (8.1 kW) at 7,000 rpm while maximum torque reaches 8 Nm (5.9 lb-ft), transferring power to the rear wheel through a automatic gearbox. With a specific output of 74.2 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the Smart 150 measures 95 kg (209 lbs) dry, translating to a power-to-weight ratio of 0.12 HP/kg (8.56 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,850 mm (72.8 in) wheelbase engineered for planted straight-line stability. The 5.5-liter (1.5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 90 km/h (56 mph).

Within MotoLibrary's Serpento archive, this model family spans 2 indexed model years from 2021 to 2022, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
74.2 HP/L
Power-to-Weight
0.12 HP/kg (8.56 kg/HP)
Engine
Displacement 149.6 ccm (9.13 cubic inches)
Engine Type Single cylinder, four-stroke
Power 11.1 HP (8.1 kW)) @ 7000 RPM
Torque 8.0 Nm (0.8 kgf-m or 5.9 ft.lbs)
Fuel System Carburettor
Cooling Air
Transmission
Gearbox Automatic
Performance
Top Speed 90.0 km/h (55.9 mph)
Chassis
Front Suspension Telescopic fork
Rear Suspension Dual shocks
Wheelbase 1850 mm (72.8 inches)
Wheels & Brakes
Front Tyre 90/90-12
Rear Tyre 3.50-10
Front Brakes Single disc
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Dry Weight 95.0 kg (209.4 pounds)
Power/Weight 0.1172 HP/kg
Overall Length 600 mm (23.6 inches)
Overall Width 1260 mm (49.6 inches)
Fuel Capacity 5.50 litres (1.45 US gallons)
Other
Starter Electric & kick
Color Options Blue, red
Electrical 12V / 7A battery
Notes

Sold in South-America. Produced in China.

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Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🏙️
Best For
City & Commuting
⚖️
Handling
Very lightweight — easy to handle
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