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The 1978 BMW R80/7 and 1983 BMW K100 represent two chapters in BMW's storied history.
The 1978 BMW R80/7 from Germany was powered by a 798cc OHV flat-twin producing 50hp at 6500rpm. Weighing 195.0kg (430 lbs) and with a seat height of 810mm, it was aimed at touring riders.
The 1983 BMW K100 by contrast offered 987cc of DOHC inline-4 power, delivering 90hp at 8000rpm. Tipping the scales at 240.0kg (529 lbs) with a top speed of 215km/h (134 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 BMW R80/7 from Germany was powered by a 798cc OHV flat-twin producing 50hp at 6500rpm. Weighing 195.0kg (430 lbs) and with a seat height of 810mm, it was aimed at touring riders.
The 1983 BMW K100 by contrast offered 987cc of DOHC inline-4 power, delivering 90hp at 8000rpm. Tipping the scales at 240.0kg (529 lbs) with a top speed of 215km/h (134 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 BMW R80/7 | 1983 BMW K100 | |
|---|---|---|
| Displacement | 798 cc | 987 cc |
| Power | 50 hp | 90 hp |
| Torque | 52.0 Nm | 86.0 Nm |
| Cylinders | 2 | 4 |
| Top Speed | 175 km/h | 215 km/h |
| Quarter Mile | — | — |
| Dry Weight | 195.0 kg | 240.0 kg |
| Wet Weight | 210.0 kg | 258.0 kg |
| Seat Height | 810 mm | 810 mm |
| Wheelbase | 1440 mm | 1516 mm |
| Fuel Capacity | 22.0 L | 22.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two BMW machines reveals the brand's evolution. The 1978 BMW R80/7 laid the groundwork with 50hp, while the later 1983 BMW K100 pushed output to 90hp. Both share equal collector appeal at 5/10. Either way, both are worthy additions to any BMW collection.
About the 1978 BMW R80/7
A touring motorcycle from 1978, the 1978 BMW R80/7 delivers 50hp from its 798cc OHV flat-twin engine.
Full 1978 BMW R80/7 Profile →About the 1983 BMW K100
A touring motorcycle from 1983, the 1983 BMW K100 delivers 90hp from its 987cc DOHC inline-4 engine.
Full 1983 BMW K100 Profile →