Naked Motorcycles
1983Moto Morini 500 Sei-V
19 fields on record
The 1983 Moto Morini 500 Sei-V is an Italian middleweight V-twin built for riders seeking nimble handling and distinctive character. Its lightweight 180kg frame combined with 42 horsepower delivers responsive performance ideal for commuting and casual riding. Best known for its elegant air-cooled V-twin engine and refined six-speed transmission, this classic represents Moto Morini's reputation for mechanical sophistication.
- Capacity
- 478.0 ccm
- Engine
- V-Twin
- Gearbox
- 6-speed
- Wet weight
- 180.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 42.0 HP (30.9 kW) @ 7500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's best suited to spirited road riding and weekend backroad touring rather than track days or long-distance highway cruising.
- Built for
- The air-cooled V2 with a six-speed gearbox gives it a distinctive, torquey and mechanical feel that rewards an engaged, involved riding style.
- Not ideal for
- It's not the right choice for riders seeking modern power, off-road capability, or comfortable two-up long-distance touring.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 478.0 ccm
- Power
- 42.0 HP (30.9 kW) @ 7500 RPM
- Engine type
- V-Twin
- Power/weight ratio
- 0.2333 HP/kg (wet)
- Bore x stroke
- 69.0 x 64.0 mm
- Compression
- 11.2:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 155.0 km/h (96.3 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Single disc
- Front tyre
- 3.25-18
- Rear tyre
- 4.00-18
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 | 1983 | 1984 |
|---|---|---|
| Capacity | 478 cc | 478 cc |
| Fuel capacity | 16 L | 16 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 Moto Morini 500 Sei-V?
The 1983 Moto Morini 500 Sei-V has a Capacity of 478.0 ccm (29.17 cubic inches).
What engine power does the Moto Morini 500 Sei-V have?
The 1983 Moto Morini 500 Sei-V has a Power of 42.0 HP (30.9 kW) @ 7500 RPM.
How many gears does the Moto Morini 500 Sei-V have?
The 1983 Moto Morini 500 Sei-V has a Gearbox of 6-speed.
How much does the Moto Morini 500 Sei-V weigh?
The 1983 Moto Morini 500 Sei-V has a Wet weight of 180.0 kg (396.8 pounds).
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