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The 1980 Yamaha XJ650 and 1984 Yamaha FJ1100 represent two chapters in Yamaha's storied history.
The 1980 Yamaha XJ650 from Japan was powered by a 653cc DOHC inline-4 producing 71hp at 9000rpm. Weighing 215.0kg (474 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1984 Yamaha FJ1100 by contrast offered 1097cc of DOHC inline-4 power, delivering 125hp at 9000rpm. Tipping the scales at 245.0kg (540 lbs) with a top speed of 240km/h (149 mph), it offered a distinct riding experience. 1980s motorcycles are the rising stars of the collector market. Early sportbikes and final-generation air-cooled models are gaining strong interest.
The 1980 Yamaha XJ650 from Japan was powered by a 653cc DOHC inline-4 producing 71hp at 9000rpm. Weighing 215.0kg (474 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1984 Yamaha FJ1100 by contrast offered 1097cc of DOHC inline-4 power, delivering 125hp at 9000rpm. Tipping the scales at 245.0kg (540 lbs) with a top speed of 240km/h (149 mph), it offered a distinct riding experience. 1980s motorcycles are the rising stars of the collector market. Early sportbikes and final-generation air-cooled models are gaining strong interest.
Specifications Comparison
| 1980 Yamaha XJ650 | 1984 Yamaha FJ1100 | |
|---|---|---|
| Displacement | 653 cc | 1097 cc |
| Power | 71 hp | 125 hp |
| Torque | 56.0 Nm | 100.0 Nm |
| Cylinders | 4 | 4 |
| Top Speed | 190 km/h | 240 km/h |
| Quarter Mile | — | — |
| Dry Weight | 215.0 kg | 245.0 kg |
| Wet Weight | 232.0 kg | 265.0 kg |
| Seat Height | 800 mm | 800 mm |
| Wheelbase | 1440 mm | 1510 mm |
| Fuel Capacity | 16.0 L | 22.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two Yamaha machines reveals the brand's evolution. The 1980 Yamaha XJ650 laid the groundwork with 71hp, while the later 1984 Yamaha FJ1100 pushed output to 125hp. From a collector's perspective, the 1984 Yamaha FJ1100 holds the edge with a 5/10 rating. Either way, both are worthy additions to any Yamaha collection.
About the 1980 Yamaha XJ650
Born in 1980, the 1980 Yamaha XJ650 is a 653cc four-cylinder standard motorcycle producing 71hp from Yamaha.
Full 1980 Yamaha XJ650 Profile →About the 1984 Yamaha FJ1100
Born in 1984, the 1984 Yamaha FJ1100 is a 1097cc four-cylinder touring motorcycle producing 125hp from Yamaha.
Full 1984 Yamaha FJ1100 Profile →