The 1978 Yamaha XS650 Special from Japan was powered by a 654cc OHV twin producing 50hp at 7000rpm. Weighing 205.0kg (452 lbs) and with a seat height of 760mm, it was aimed at cruiser riders.
The 1948 Harley-Davidson FL Panhead, hailing from United States, by contrast offered 1207cc of OHV V-twin Panhead power, delivering 50hp at 5000rpm. Tipping the scales at 255.0kg (562 lbs) with a top speed of 155km/h (96 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 XS650 Special | 1948 Harley-Davidson FL Panhead | |
|---|---|---|
| Displacement | 654 cc | 1207 cc |
| Power | 50 hp | 50 hp |
| Torque | 50.0 Nm | 85.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 165 km/h | 155 km/h |
| Quarter Mile | — | — |
| Dry Weight | 205.0 kg | 255.0 kg |
| Wet Weight | 220.0 kg | 275.0 kg |
| Seat Height | 760 mm | 690 mm |
| Wheelbase | 1450 mm | 1510 mm |
| Fuel Capacity | 14.0 L | 15.0 L |
| Gears | 5 -speed | 4 -speed |
The Verdict
For pure cruiser performance, the 1978 Yamaha XS650 Special has the edge thanks to a higher top speed and lower weight. The 1948 Harley-Davidson FL Panhead, however, excels when relaxed highway cruising and long-distance comfort is the priority. For collectors, the 1948 Harley-Davidson FL Panhead commands more attention with a 9/10 collectibility rating. Parts availability is good for the 1978 Yamaha XS650 Special and moderate for the 1948 Harley-Davidson FL Panhead — an important factor for any restoration project.
About the 1978 Yamaha XS650 Special
The 1978 1978 Yamaha XS650 Special is a 654cc twin-cylinder cruiser that became one of Yamaha's most memorable motorcycles of the 1970s.
Full 1978 Yamaha XS650 Special Profile →About the 1948 Harley-Davidson FL Panhead
The 1948 1948 Harley-Davidson FL Panhead is a 1207cc twin-cylinder cruiser that became one of Harley-Davidson's most memorable motorcycles of the 1940s.
Full 1948 Harley-Davidson FL Panhead Profile →