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The 1979 Suzuki GS550 and 1981 Suzuki GSX1100S Katana represent two chapters in Suzuki's storied history.
The 1979 Suzuki GS550 from Japan was powered by a 549cc DOHC inline-4 producing 50hp at 8500rpm. Weighing 202.0kg (445 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1981 Suzuki GSX1100S Katana by contrast offered 1075cc of DOHC inline-4 power, delivering 111hp at 8500rpm. Tipping the scales at 232.0kg (511 lbs) with a top speed of 230km/h (143 mph), it offered a distinct riding experience. 1970s bikes from the Japanese superbike revolution are increasingly sought after. Clean, original examples have seen significant value appreciation.
The 1979 Suzuki GS550 from Japan was powered by a 549cc DOHC inline-4 producing 50hp at 8500rpm. Weighing 202.0kg (445 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1981 Suzuki GSX1100S Katana by contrast offered 1075cc of DOHC inline-4 power, delivering 111hp at 8500rpm. Tipping the scales at 232.0kg (511 lbs) with a top speed of 230km/h (143 mph), it offered a distinct riding experience. 1970s bikes from the Japanese superbike revolution are increasingly sought after. Clean, original examples have seen significant value appreciation.
Specifications Comparison
| 1979 Suzuki GS550 | 1981 Suzuki GSX1100S Katana | |
|---|---|---|
| Displacement | 549 cc | 1075 cc |
| Power | 50 hp | 111 hp |
| Torque | 44.0 Nm | 95.0 Nm |
| Cylinders | 4 | 4 |
| Top Speed | 175 km/h | 230 km/h |
| Quarter Mile | — | — |
| Dry Weight | 202.0 kg | 232.0 kg |
| Wet Weight | 218.0 kg | 252.0 kg |
| Seat Height | 800 mm | 790 mm |
| Wheelbase | 1410 mm | 1510 mm |
| Fuel Capacity | 15.0 L | 20.0 L |
| Gears | 6 -speed | 5 -speed |
The Verdict
Comparing these two Suzuki machines reveals the brand's evolution. The 1979 Suzuki GS550 laid the groundwork with 50hp, while the later 1981 Suzuki GSX1100S Katana pushed output to 111hp. From a collector's perspective, the 1981 Suzuki GSX1100S Katana holds the edge with a 9/10 rating. Either way, both are worthy additions to any Suzuki collection.
About the 1979 Suzuki GS550
Introduced in 1979, the 1979 Suzuki GS550 features a 549cc DOHC inline-4 engine producing 50hp, establishing itself as a notable standard motorcycle.
Full 1979 Suzuki GS550 Profile →About the 1981 Suzuki GSX1100S Katana
Suzuki released the 1981 Suzuki GSX1100S Katana in 1981 with a 1075cc DOHC inline-4 powerplant making 111hp — a definitive sport bike.
Full 1981 Suzuki GSX1100S Katana Profile →