Naked Motorcycles
1991Moto Morini 500 Sei-V Klassik
19 fields on record
The 1991 Moto Morini 500 Sei-V Klassik is a lightweight classic V-twin designed for riders seeking nimble handling and retro styling. Its compact 478cc air-cooled engine delivers smooth mid-range power ideal for everyday riding and weekend cruising. Known for its approachable performance and manageable weight, it appeals to enthusiasts who value character over raw horsepower.
- 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
What’s new for the 1991 Moto Morini 500 Sei-V Klassik
vs the 1990| Spec | 1990 | 1991 |
|---|---|---|
| Front brakes | Dual disc | Expanding brake |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's built for relaxed, characterful road riding rather than outright speed or long-distance touring.
- Built for
- The 500 Sei-V Klassik has an old-school, mechanical charm suited to enthusiasts who value engine character and vintage Italian styling over modern performance.
- Not ideal for
- It's not the right choice for riders seeking high-speed touring, off-road capability, or modern power and comfort.
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
- Expanding brake
- Rear brakes
- Expanding brake
- Front tyre
- 100/90-18
- Rear tyre
- 120/90-18
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 | 1985 | 1987 | 1988 | 1990 | 1991 |
|---|---|---|---|---|---|
| Capacity | 478 cc | 478 cc | 478 cc | 478 cc | 478 cc |
| Fuel capacity | 16 L | 16 L | 16 L | 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 Klassik?
The 1991 Moto Morini 500 Sei-V Klassik has a Capacity of 478.0 ccm (29.17 cubic inches).
What engine power does the Moto Morini 500 Sei-V Klassik have?
The 1991 Moto Morini 500 Sei-V Klassik has a Power of 42.0 HP (30.9 kW) @ 7500 RPM.
How many gears does the Moto Morini 500 Sei-V Klassik have?
The 1991 Moto Morini 500 Sei-V Klassik has a Gearbox of 6-speed.
How much does the Moto Morini 500 Sei-V Klassik weigh?
The 1991 Moto Morini 500 Sei-V Klassik has a Wet weight of 180.0 kg (396.8 pounds).
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