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The 1970 Yamaha R5 350 and 1973 Yamaha RD250 represent two chapters in Yamaha's storied history.
The 1970 Yamaha R5 350 from Japan was powered by a 347cc 2-stroke twin producing 36hp at 7000rpm. Weighing 145.0kg (320 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1973 Yamaha RD250 by contrast offered 247cc of 2-stroke twin power, delivering 30hp at 7500rpm. Tipping the scales at 143.0kg (315 lbs) with a top speed of 145km/h (90 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 1970 Yamaha R5 350 from Japan was powered by a 347cc 2-stroke twin producing 36hp at 7000rpm. Weighing 145.0kg (320 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1973 Yamaha RD250 by contrast offered 247cc of 2-stroke twin power, delivering 30hp at 7500rpm. Tipping the scales at 143.0kg (315 lbs) with a top speed of 145km/h (90 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
| 1970 Yamaha R5 350 | 1973 Yamaha RD250 | |
|---|---|---|
| Displacement | 347 cc | 247 cc |
| Power | 36 hp | 30 hp |
| Torque | 32.0 Nm | 24.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 155 km/h | 145 km/h |
| Quarter Mile | — | — |
| Dry Weight | 145.0 kg | 143.0 kg |
| Wet Weight | 158.0 kg | 155.0 kg |
| Seat Height | 790 mm | 790 mm |
| Wheelbase | 1350 mm | 1310 mm |
| Fuel Capacity | 13.0 L | 12.0 L |
| Gears | 5 -speed | 6 -speed |
The Verdict
Comparing these two Yamaha machines reveals the brand's evolution. The 1970 Yamaha R5 350 laid the groundwork with 36hp, while the later 1973 Yamaha RD250 pushed output to 30hp. Both share equal collector appeal at 5/10. Either way, both are worthy additions to any Yamaha collection.
About the 1970 Yamaha R5 350
Born in 1970, the 1970 Yamaha R5 350 is a 347cc twin-cylinder standard motorcycle producing 36hp from Yamaha.
Full 1970 Yamaha R5 350 Profile →About the 1973 Yamaha RD250
Born in 1973, the 1973 Yamaha RD250 is a 247cc twin-cylinder standard motorcycle producing 30hp from Yamaha.
Full 1973 Yamaha RD250 Profile →