Naked Motorcycles
1981Benelli 354 Sport
19 fields on record
The 1981 Benelli 354 Sport is a lightweight naked bike powered by a spirited 345cc four-cylinder engine producing 38 horsepower. Its compact dimensions and manageable 206kg weight make it ideal for commuters and novice riders seeking accessible performance. Best known for its Italian engineering heritage and responsive handling, this air-cooled four-stroke delivers reliable everyday versatility.
- Capacity
- 345.0 ccm
- Engine
- In-line four
- Gearbox
- 5-speed
- Wet weight
- 206.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 38.0 HP (27.9 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's best suited to leisurely rides, short commutes, and appreciating the novelty of a rare inline-four small-bore engine.
- Built for
- This machine has a quirky, high-revving charm that rewards riders who value mechanical character over raw speed.
- Not ideal for
- It's not for riders seeking strong acceleration, long-distance comfort, or any kind of off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 345.0 ccm
- Power
- 38.0 HP (27.9 kW)
- Engine type
- In-line four
- Power/weight ratio
- 0.1845 HP/kg (wet)
- Bore x stroke
- 50.0 x 44.0 mm
- Compression
- 10.2:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 144.0 km/h (89.5 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Single disc
- Front tyre
- 3.00-18
- Rear tyre
- 3.25-18
Specs last verified against published sources: .
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1981 | 1982 | 1983 |
|---|---|---|---|
| Capacity | 345 cc | 345 cc | 345 cc |
| Fuel capacity | 15.5 L | 15.5 L | 15.5 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Benelli 354 Sport?
The 1981 Benelli 354 Sport has a Capacity of 345.0 ccm (21.05 cubic inches).
What engine power does the Benelli 354 Sport have?
The 1981 Benelli 354 Sport has a Power of 38.0 HP (27.9 kW).
How many gears does the Benelli 354 Sport have?
The 1981 Benelli 354 Sport has a Gearbox of 5-speed.
How much does the Benelli 354 Sport weigh?
The 1981 Benelli 354 Sport has a Wet weight of 206.0 kg (454.2 pounds).
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