14 August. Friday 2026
Suzuki GS 450 S - 1981 Specifications and Reviews
The 1981 Suzuki GS 450 S is an accessible middleweight twin suited for novice and returning riders seeking reliable everyday transport. Known for its fuel-efficient air-cooled engine and nimble handling, this lightweight allrounder excels at daily commuting and casual weekend rides with its forgiving nature and manageable power delivery.
General information | |
| Category | Allround |
| Year | 1981 |
| Model | Suzuki GS 450 S |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Air |
| Fuel control | DOHC |
| Valves per cylinder | 2 |
| Bore x stroke | 71.0 x 56.6 mm (2.8 x 2.2 inches) |
| Compression | 9.0:1 |
| Power | 27.00 |
| Stroke | 4 |
| Engine type | Twin |
| Capacity: | 448.00 ccm (27.34 cubic inches) |
| | |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 191.0 kg (421.1 pounds) |
| | |
Suzuki GS 450 S dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Single disc |
| Rear tyre dimensions | 3.75-18 |
| Front tyre dimensions | 3.00-18 |
Speed and acceleration | |
| Top speed | 160.0 km/h (99.4 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
7.5s
0-60 mph
99.4 mph
Top Speed
Best For
Track20%
City65%
Cornering55%
Daily Riding60%
Touring50%
Passenger35%
Rider Profile
| Best For | Suited to beginner and intermediate riders looking for a manageable, low-intimidation machine. |
| Purpose | Designed as a light, air-cooled all-rounder for commuting and casual weekend rides rather than outright performance. |
| Rider Fit | Its low weight and modest seat height make it easy to handle for riders of smaller stature or those returning to biking. |
| Character | A classic, unpretentious middleweight twin that rewards smooth, relaxed riding over aggressive throttle use. |
| Not Ideal For | Not a good fit for riders seeking high-speed touring capability, serious two-up comfort, or any off-road ambition. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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