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The 1975 Yamaha RD350 and 1977 Yamaha XS750 Triple represent two chapters in Yamaha's storied history.
The 1975 Yamaha RD350 from Japan was powered by a 347cc 2-stroke twin producing 39hp at 7500rpm. Weighing 150.0kg (331 lbs) and with a seat height of 790mm, 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 1975 Yamaha RD350 from Japan was powered by a 347cc 2-stroke twin producing 39hp at 7500rpm. Weighing 150.0kg (331 lbs) and with a seat height of 790mm, 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
| 1975 Yamaha RD350 | 1977 Yamaha XS750 Triple | |
|---|---|---|
| Displacement | 347 cc | 747 cc |
| Power | 39 hp | 64 hp |
| Torque | 33.0 Nm | 60.0 Nm |
| Cylinders | 2 | 3 |
| Top Speed | 165 km/h | 190 km/h |
| Quarter Mile | — | — |
| Dry Weight | 150.0 kg | 228.0 kg |
| Wet Weight | 163.0 kg | 245.0 kg |
| Seat Height | 790 mm | 810 mm |
| Wheelbase | 1345 mm | 1470 mm |
| Fuel Capacity | 13.0 L | 17.0 L |
| Gears | 6 -speed | 5 -speed |
The Verdict
Comparing these two Yamaha machines reveals the brand's evolution. The 1975 Yamaha RD350 laid the groundwork with 39hp, while the later 1977 Yamaha XS750 Triple pushed output to 64hp. From a collector's perspective, the 1975 Yamaha RD350 holds the edge with a 7/10 rating. Either way, both are worthy additions to any Yamaha collection.
About the 1975 Yamaha RD350
Yamaha released the 1975 Yamaha RD350 in 1975 with a 347cc 2-stroke twin powerplant making 39hp — a definitive standard motorcycle.
Full 1975 Yamaha RD350 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 →