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Scooter · 2019

AD3 400

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MotoLibrary Score
39 /100 Commuter
Power/Weight
0.14 hp/kg
Torque
38 Nm
Engine
399 ccm

2019 Adiva AD3 400 Technical Analysis & Specification Breakdown

Positioned in Adiva's scooter motorcycle lineup, the 2019 Adiva AD3 400 utilizes a 399 cc (24.4 cu in) liquid-cooled single cylinder, four-stroke layout. In factory specification, peak output is rated at 36.7 HP (26.8 kW) at 7,250 rpm while maximum torque reaches 38.1 Nm (28.1 lb-ft) at 5,500 rpm, transferring power to the rear wheel through a automatic gearbox. With a specific output of 92 HP per liter and a 1,750 rpm working window between peak torque (5,500 rpm) and peak power (7,250 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the AD3 400 measures 257 kg (567 lbs) dry, translating to a power-to-weight ratio of 0.14 HP/kg (7 kg per horsepower). Rider ergonomics and chassis geometry center around a 770 mm (30.3 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,560 mm (61.4 in) wheelbase engineered for planted straight-line stability. The 11-liter (2.9 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Adiva archive, this model family spans 2 indexed model years from 2018 to 2019, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
92 HP/L
Power-to-Weight
0.14 HP/kg (7 kg/HP)
Power Band Window
5,500–7,250 rpm
Standover Height
770 mm (30.3 in)
Engine
Displacement 399.0 ccm (24.35 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Peugeot engine
Power 36.7 HP (26.8 kW)) @ 7250 RPM
Torque 38.1 Nm (3.9 kgf-m or 28.1 ft.lbs) @ 5500 RPM
Compression 11.8:1
Bore x Stroke 84.0 x 72.0 mm (3.3 x 2.8 inches)
Valves/Cylinder 4
Fuel System Injection
Fuel Control Single Overhead Cams (SOHC)
Cooling Liquid
Transmission
Gearbox Automatic
Chassis
Front Suspension Wishbone
Rear Suspension Double Swing
Wheelbase 1560 mm (61.4 inches)
Wheels & Brakes
Front Brakes Single disc
Front Brake Ø 220 mm (8.7 inches)
Rear Brakes Single disc
Rear Brake Ø 240 mm (9.4 inches)
Wheels Two front wheels
Dimensions & Weight
Dry Weight 257.0 kg (566.6 pounds)
Power/Weight 0.1430 HP/kg
Seat Height 770 mm (30.3 inches) If adjustable, lowest setting.
Overall Height 1770 mm (69.7 inches)
Overall Length 2175 mm (85.6 inches)
Overall Width 820 mm (32.3 inches)
Fuel Capacity 11.00 litres (2.91 US gallons)
Other
Starter Electric
Color Options Red, Blue, White, Graphite, Black
More from Adiva
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.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
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
📏
Seat Height
77 cm / 30.3 in
⚖️
Handling
Heavy bike — requires confident handling
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