Moto Morini 500 S - 1981 Specifications and Reviews
The 1981 Moto Morini 500 S is a lightweight Italian classic best suited for riders seeking nimble handling and retro character. Its compact 478cc V-twin engine delivers 42 horsepower with excellent fuel efficiency, while the 184kg chassis makes it ideal for spirited riding on technical roads. Known for its responsive middleweight performance and approachable nature, it remains a favorite among vintage enthusiasts and commuters alike.
General information | |
| Category | Classic |
| Year | 1981 |
| Model | Moto Morini 500 S |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | OHV |
| Valves per cylinder | 2 |
| Bore x stroke | 69.0 x 64.0 mm (2.7 x 2.5 inches) |
| Compression | 11.2:1 |
| Power | 42.00 |
| Stroke | 4 |
| Engine type | V2 |
| Capacity: | 478.00 ccm (29.17 cubic inches) |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 184.0 kg (405.7 pounds) |
Moto Morini 500 S dimensions and frame | |
| Rear brakes | Single disc |
| Front brakes | Dual disc |
| Rear tyre dimensions | 4.00-18 |
| Front tyre dimensions | 100/90-18 |
Speed and acceleration | |
| Top speed | 170.0 km/h (105.6 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel capacity | 15.00 litres (3.96 gallons) |
Performance Profile & Rider Fit
42 hp
Peak Power
6.5s
0-60 mph
105.6 mph
Top Speed
Best For
Track35%
City60%
Cornering68%
Daily Riding60%
Touring55%
Passenger40%
Rider Profile
| Best For | This bike suits riders with at least some experience on classic-era machines, as its modest power and analog handling reward smooth, deliberate riding rather than raw throttle confidence. |
| Purpose | It's best suited to spirited backroad riding and light sport-touring duties where character and cornering feel matter more than outright speed. |
| Rider Fit | At a light 184 kg with a manageable seat height typical of the era, it's approachable for riders of average size and strength, requiring no special physical effort to handle. |
| Character | The Moto Morini 500 S is a charismatic, lightweight V-twin with old-school Italian sporting flavor, offering engaging low-speed handling and a distinctive mechanical feel over sheer performance. |
| Not Ideal For | It's not the right choice for riders seeking high-speed touring comfort, long-distance passenger accommodation, or any kind of off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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