The 1979 Yamaha XS1100 from Japan was powered by a 1101cc DOHC inline-4 producing 95hp at 8000rpm. Weighing 268.0kg (591 lbs) and with a seat height of 810mm, it was aimed at touring riders.
The 1982 Yamaha XJ900 Seca by contrast offered 853cc of DOHC inline-4 power, delivering 88hp at 8500rpm. Tipping the scales at 230.0kg (507 lbs) with a top speed of 210km/h (130 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 Yamaha XS1100 | 1982 Yamaha XJ900 Seca | |
|---|---|---|
| Displacement | 1101 cc | 853 cc |
| Power | 95 hp | 88 hp |
| Torque | 89.0 Nm | 74.0 Nm |
| Cylinders | 4 | 4 |
| Top Speed | 210 km/h | 210 km/h |
| Quarter Mile | — | — |
| Dry Weight | 268.0 kg | 230.0 kg |
| Wet Weight | 290.0 kg | 248.0 kg |
| Seat Height | 810 mm | 810 mm |
| Wheelbase | 1530 mm | 1490 mm |
| Fuel Capacity | 22.0 L | 20.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two Yamaha machines reveals the brand's evolution. The 1979 Yamaha XS1100 laid the groundwork with 95hp, while the later 1982 Yamaha XJ900 Seca pushed output to 88hp. From a collector's perspective, the 1979 Yamaha XS1100 holds the edge with a 5/10 rating. Either way, both are worthy additions to any Yamaha collection. Parts availability is moderate for the 1979 Yamaha XS1100 and good for the 1982 Yamaha XJ900 Seca — an important factor for any restoration project.
About the 1979 Yamaha XS1100
Introduced in 1979, the 1979 Yamaha XS1100 features a 1101cc DOHC inline-4 engine producing 95hp, establishing itself as a notable touring motorcycle.
Full 1979 Yamaha XS1100 Profile →About the 1982 Yamaha XJ900 Seca
Introduced in 1982, the 1982 Yamaha XJ900 Seca features a 853cc DOHC inline-4 engine producing 88hp, establishing itself as a notable standard motorcycle.
Full 1982 Yamaha XJ900 Seca Profile →