VS
The 1966 Kawasaki W1 650 and 1970 BSA A65 Thunderbolt both compete in the standard segment, offering riders distinct interpretations of the formula.
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 1970 BSA A65 Thunderbolt, hailing from United Kingdom, by contrast offered 654cc of OHV twin power, delivering 46hp at 6800rpm. Tipping the scales at 178.0kg (392 lbs) with a top speed of 170km/h (106 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.
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 1970 BSA A65 Thunderbolt, hailing from United Kingdom, by contrast offered 654cc of OHV twin power, delivering 46hp at 6800rpm. Tipping the scales at 178.0kg (392 lbs) with a top speed of 170km/h (106 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 | 1970 BSA A65 Thunderbolt | |
|---|---|---|
| Displacement | 624 cc | 654 cc |
| Power | 50 hp | 46 hp |
| Torque | 49.0 Nm | 50.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 170 km/h | 170 km/h |
| Quarter Mile | — | — |
| Dry Weight | 200.0 kg | 178.0 kg |
| Wet Weight | 215.0 kg | 191.0 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
These two standards are remarkably well-matched. With 50hp versus 46hp, the performance difference is marginal. The choice between them comes down to brand loyalty, aesthetics, and riding preference.
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 1970 BSA A65 Thunderbolt
A standard motorcycle from 1970, the 1970 BSA A65 Thunderbolt delivers 46hp from its 654cc OHV twin engine.
Full 1970 BSA A65 Thunderbolt Profile →