The 1978 Kawasaki Z1-R from Japan was powered by a 1015cc DOHC inline-4 producing 90hp at 8000rpm. Weighing 240.0kg (529 lbs) and with a seat height of 810mm, it was aimed at cafe racer riders.
The 1971 Triumph Trident T150V, hailing from United Kingdom, by contrast offered 740cc of OHV triple power, delivering 58hp at 7250rpm. Tipping the scales at 210.0kg (463 lbs) with a top speed of 195km/h (121 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 Kawasaki Z1-R | 1971 Triumph Trident T150V | |
|---|---|---|
| Displacement | 1015 cc | 740 cc |
| Power | 90 hp | 58 hp |
| Torque | 82.0 Nm | 60.0 Nm |
| Cylinders | 4 | 3 |
| Top Speed | 215 km/h | 195 km/h |
| Quarter Mile | — | — |
| Dry Weight | 240.0 kg | 210.0 kg |
| Wet Weight | 260.0 kg | 225.0 kg |
| Seat Height | 810 mm | 800 mm |
| Wheelbase | 1505 mm | 1440 mm |
| Fuel Capacity | 19.0 L | 15.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
These two machines serve fundamentally different purposes. The 1978 Kawasaki Z1-R is built for spirited café-racer style riding, while the 1971 Triumph Trident T150V targets all-round versatility and everyday riding. On paper, the 1978 Kawasaki Z1-R's 90hp trumps the 1971 Triumph Trident T150V's 58hp, but raw numbers don't tell the whole story in such different segments. Choose the 1978 Kawasaki Z1-R if you value spirited café-racer style riding; pick the 1971 Triumph Trident T150V for all-round versatility and everyday riding. Parts availability is good for the 1978 Kawasaki Z1-R and moderate for the 1971 Triumph Trident T150V — an important factor for any restoration project.
About the 1978 Kawasaki Z1-R
Kawasaki released the 1978 Kawasaki Z1-R in 1978 with a 1015cc DOHC inline-4 powerplant making 90hp — a definitive cafe racer.
Full 1978 Kawasaki Z1-R Profile →About the 1971 Triumph Trident T150V
The 1971 1971 Triumph Trident T150V is a 740cc triple-cylinder standard motorcycle that became one of Triumph's most memorable motorcycles of the 1970s.
Full 1971 Triumph Trident T150V Profile →