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The 1973 Yamaha TX750 and 1977 Yamaha XS750 Triple represent two chapters in Yamaha's storied history.
The 1973 Yamaha TX750 from Japan was powered by a 743cc DOHC twin producing 63hp at 7500rpm. Weighing 215.0kg (474 lbs) and with a seat height of 810mm, it was aimed at standard riders.
The 1977 Yamaha XS750 Triple by contrast offered 747cc of DOHC triple power, delivering 64hp at 8000rpm. Tipping the scales at 228.0kg (503 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 1973 Yamaha TX750 from Japan was powered by a 743cc DOHC twin producing 63hp at 7500rpm. Weighing 215.0kg (474 lbs) and with a seat height of 810mm, it was aimed at standard riders.
The 1977 Yamaha XS750 Triple by contrast offered 747cc of DOHC triple power, delivering 64hp at 8000rpm. Tipping the scales at 228.0kg (503 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
| 1973 Yamaha TX750 | 1977 Yamaha XS750 Triple | |
|---|---|---|
| Displacement | 743 cc | 747 cc |
| Power | 63 hp | 64 hp |
| Torque | 60.0 Nm | 60.0 Nm |
| Cylinders | 2 | 3 |
| Top Speed | 185 km/h | 190 km/h |
| Quarter Mile | — | — |
| Dry Weight | 215.0 kg | 228.0 kg |
| Wet Weight | 232.0 kg | 245.0 kg |
| Seat Height | 810 mm | 810 mm |
| Wheelbase | 1450 mm | 1470 mm |
| Fuel Capacity | 14.0 L | 17.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two Yamaha machines reveals the brand's evolution. The 1973 Yamaha TX750 laid the groundwork with 63hp, while the later 1977 Yamaha XS750 Triple pushed output to 64hp. Both share equal collector appeal at 5/10. Either way, both are worthy additions to any Yamaha collection.
About the 1973 Yamaha TX750
The 1973 1973 Yamaha TX750 packs a 743cc DOHC twin engine with 63hp into a standard motorcycle package from Yamaha.
Full 1973 Yamaha TX750 Profile →About the 1977 Yamaha XS750 Triple
A standard motorcycle from 1977, the 1977 Yamaha XS750 Triple delivers 64hp from its 747cc DOHC triple engine.
Full 1977 Yamaha XS750 Triple Profile →