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Sport touring · 1982

3 1-2 S

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MotoLibrary Score
44 /100 Commuter
Power
27 HP
Top Speed
155 km/h
Engine
344 ccm

1982 Moto Morini 3 1-2 S Technical Analysis & Specification Breakdown

Engineered by Moto Morini for the sport touring motorcycle segment, the 1982 Moto Morini 3 1-2 S relies on a 344 cc (21 cu in) air-cooled v2, four-stroke powerplant. In factory specification, peak output is rated at 27 HP (19.7 kW) at 6,850 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 78.5 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 3 1-2 S measures 160 kg (353 lbs) wet (curb), translating to a power-to-weight ratio of 0.17 HP/kg (5.93 kg per horsepower). The 13-liter (3.4 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 155 km/h (96 mph).

Within MotoLibrary's Moto Morini archive, this model family spans 4 indexed model years from 1980 to 1983, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Specific Output
78.5 HP/L
Power-to-Weight
0.17 HP/kg (5.93 kg/HP)
Engine
Displacement 344.0 ccm (20.99 cubic inches)
Engine Type V2, four-stroke
Engine Details V2, four-stroke
Power 27.0 HP (19.7 kW)) @ 6850 RPM
Compression 10.0:1
Bore x Stroke 62.0 x 57.0 mm (2.4 x 2.2 inches)
Valves/Cylinder 2
Fuel Control Overhead Valves (OHV)
Cooling Air
Transmission
Gearbox 6-speed
Final Drive Chain (final drive)
Performance
Top Speed 155.0 km/h (96.3 mph)
Wheels & Brakes
Front Tyre 3.25-18
Rear Tyre 4.10-18
Front Brakes Single disc
Rear Brakes Expanding brake
Dimensions & Weight
Weight incl. 160.0 kg (352.7 pounds)
Fuel Capacity 13.00 litres (3.43 US gallons)
More from Moto Morini
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.
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.
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
Long Distance Touring
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