1966 Kawasaki W1 650

1966 Kawasaki W1 650

standard · Japan · 60s
VS
1973 Triumph T140 Bonneville

1973 Triumph T140 Bonneville

standard · United Kingdom · 70s
The 1966 Kawasaki W1 650 and 1973 Triumph T140 Bonneville 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 1973 Triumph T140 Bonneville, hailing from United Kingdom, by contrast offered 744cc of OHV twin power, delivering 49hp at 6200rpm. Tipping the scales at 185.0kg (408 lbs) with a top speed of 175km/h (109 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 6501973 Triumph T140 Bonneville
Displacement624 cc744 cc
Power50 hp49 hp
Torque49.0 Nm54.0 Nm
Cylinders22
Top Speed170 km/h175 km/h
Quarter Mile
Dry Weight200.0 kg185.0 kg
Wet Weight215.0 kg198.0 kg
Seat Height800 mm790 mm
Wheelbase1420 mm1410 mm
Fuel Capacity15.0 L14.0 L
Gears4 -speed5 -speed

The Verdict

For pure standard performance, the 1973 Triumph T140 Bonneville 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. Parts availability is moderate for the 1966 Kawasaki W1 650 and good for the 1973 Triumph T140 Bonneville — 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 1973 Triumph T140 Bonneville

Born in 1973, the 1973 Triumph T140 Bonneville is a 744cc twin-cylinder standard motorcycle producing 49hp from Triumph.

Full 1973 Triumph T140 Bonneville Profile →

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