VS
The 1978 Yamaha SR500 and 1980 Yamaha XJ650 represent two chapters in Yamaha's storied history.
The 1978 Yamaha SR500 from Japan was powered by a 499cc SOHC single producing 32hp at 6500rpm. Weighing 158.0kg (348 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1980 Yamaha XJ650 by contrast offered 653cc of DOHC inline-4 power, delivering 71hp at 9000rpm. Tipping the scales at 215.0kg (474 lbs) with a top speed of 190km/h (118 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 1978 Yamaha SR500 from Japan was powered by a 499cc SOHC single producing 32hp at 6500rpm. Weighing 158.0kg (348 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1980 Yamaha XJ650 by contrast offered 653cc of DOHC inline-4 power, delivering 71hp at 9000rpm. Tipping the scales at 215.0kg (474 lbs) with a top speed of 190km/h (118 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
| 1978 Yamaha SR500 | 1980 Yamaha XJ650 | |
|---|---|---|
| Displacement | 499 cc | 653 cc |
| Power | 32 hp | 71 hp |
| Torque | 37.0 Nm | 56.0 Nm |
| Cylinders | 1 | 4 |
| Top Speed | 145 km/h | 190 km/h |
| Quarter Mile | — | — |
| Dry Weight | 158.0 kg | 215.0 kg |
| Wet Weight | 172.0 kg | 232.0 kg |
| Seat Height | 800 mm | 800 mm |
| Wheelbase | 1390 mm | 1440 mm |
| Fuel Capacity | 12.0 L | 16.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two Yamaha machines reveals the brand's evolution. The 1978 Yamaha SR500 laid the groundwork with 32hp, while the later 1980 Yamaha XJ650 pushed output to 71hp. From a collector's perspective, the 1978 Yamaha SR500 holds the edge with a 7/10 rating. Either way, both are worthy additions to any Yamaha collection.
About the 1978 Yamaha SR500
The 1978 1978 Yamaha SR500 packs a 499cc SOHC single engine with 32hp into a standard motorcycle package from Yamaha.
Full 1978 Yamaha SR500 Profile →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 →