The 1966 Kawasaki W1 650 from Japan was powered by a 624cc OHV vertical twin producing 50hp at 7000rpm. Weighing 200.0kg (441 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1963 Triumph Bonneville T120, hailing from United Kingdom, by contrast offered 649cc of OHV twin power, delivering 46hp at 6500rpm. Tipping the scales at 170.0kg (375 lbs) with a top speed of 180km/h (112 mph), it offered a distinct riding experience. 1960s motorcycles capture the era of cultural revolution and racing heritage. Iconic models from this decade are among the most desirable classics.
Specifications Comparison
| 1966 Kawasaki W1 650 | 1963 Triumph Bonneville T120 | |
|---|---|---|
| Displacement | 624 cc | 649 cc |
| Power | 50 hp | 46 hp |
| Torque | 49.0 Nm | 52.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 170 km/h | 180 km/h |
| Quarter Mile | — | — |
| Dry Weight | 200.0 kg | 170.0 kg |
| Wet Weight | 215.0 kg | 184.0 kg |
| Seat Height | 800 mm | 790 mm |
| Wheelbase | 1420 mm | 1400 mm |
| Fuel Capacity | 15.0 L | 14.0 L |
| Gears | 4 -speed | 4 -speed |
The Verdict
For pure standard performance, the 1963 Triumph Bonneville T120 has the edge thanks to a higher top speed and lower weight. The 1966 Kawasaki W1 650, however, excels when all-round versatility and everyday riding is the priority. For collectors, the 1963 Triumph Bonneville T120 commands more attention with a 8/10 collectibility rating. Parts availability is moderate for the 1966 Kawasaki W1 650 and good for the 1963 Triumph Bonneville T120 — an important factor for any restoration project.
About the 1966 Kawasaki W1 650
Kawasaki released the 1966 Kawasaki W1 650 in 1966 with a 624cc OHV vertical twin powerplant making 50hp — a definitive standard motorcycle.
Full 1966 Kawasaki W1 650 Profile →About the 1963 Triumph Bonneville T120
The 1963 1963 Triumph Bonneville T120 packs a 649cc OHV twin engine with 46hp into a standard motorcycle package from Triumph.
Full 1963 Triumph Bonneville T120 Profile →