Naked Motorcycles
1984Moto Morini 500 Sei-V
19 fields on record
The 1984 Moto Morini 500 Sei-V is a lightweight middleweight V-twin offering nimble handling and approachable performance for riders seeking classic Italian character. Its air-cooled 478cc engine delivers 42 horsepower through a six-speed chain-drive transmission, while a dry weight of 180kg ensures agility. Best known for its responsive V-twin engine and manageable power delivery, it suits enthusiasts valuing style and maneuverability over outright speed.
- 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 1984 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 1984 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 1984 Moto Morini 500 Sei-V has a Gearbox of 6-speed.
How much does the Moto Morini 500 Sei-V weigh?
The 1984 Moto Morini 500 Sei-V has a Wet weight of 180.0 kg (396.8 pounds).
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