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The 1979 Suzuki GS550 and 1982 Suzuki GS650 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 1982 Suzuki GS650 Katana by contrast offered 673cc of DOHC inline-4 power, delivering 72hp at 9500rpm. Tipping the scales at 206.0kg (454 lbs) with a top speed of 195km/h (121 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 1982 Suzuki GS650 Katana by contrast offered 673cc of DOHC inline-4 power, delivering 72hp at 9500rpm. Tipping the scales at 206.0kg (454 lbs) with a top speed of 195km/h (121 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 | 1982 Suzuki GS650 Katana | |
|---|---|---|
| Displacement | 549 cc | 673 cc |
| Power | 50 hp | 72 hp |
| Torque | 44.0 Nm | 56.0 Nm |
| Cylinders | 4 | 4 |
| Top Speed | 175 km/h | 195 km/h |
| Quarter Mile | — | — |
| Dry Weight | 202.0 kg | 206.0 kg |
| Wet Weight | 218.0 kg | 224.0 kg |
| Seat Height | 800 mm | 790 mm |
| Wheelbase | 1410 mm | 1440 mm |
| Fuel Capacity | 15.0 L | 16.0 L |
| Gears | 6 -speed | 6 -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 1982 Suzuki GS650 Katana pushed output to 72hp. Both share equal collector appeal at 4/10. Either way, both are worthy additions to any Suzuki collection. Parts availability is good for the 1979 Suzuki GS550 and moderate for the 1982 Suzuki GS650 Katana — an important factor for any restoration project.
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 1982 Suzuki GS650 Katana
Suzuki released the 1982 Suzuki GS650 Katana in 1982 with a 673cc DOHC inline-4 powerplant making 72hp — a definitive sport bike.
Full 1982 Suzuki GS650 Katana Profile →