The 1969 Kawasaki W2SS from Japan was powered by a 624cc OHV twin producing 53hp at 7000rpm. Weighing 193.0kg (425 lbs) and with a seat height of 800mm, it was aimed at standard riders.
The 1974 Kawasaki KZ400 by contrast offered 398cc of DOHC twin power, delivering 36hp at 8500rpm. Tipping the scales at 177.0kg (390 lbs) with a top speed of 155km/h (96 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
| 1969 Kawasaki W2SS | 1974 Kawasaki KZ400 | |
|---|---|---|
| Displacement | 624 cc | 398 cc |
| Power | 53 hp | 36 hp |
| Torque | 50.0 Nm | 32.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 170 km/h | 155 km/h |
| Quarter Mile | — | — |
| Dry Weight | 193.0 kg | 177.0 kg |
| Wet Weight | 208.0 kg | 192.0 kg |
| Seat Height | 800 mm | 800 mm |
| Wheelbase | 1420 mm | 1370 mm |
| Fuel Capacity | 15.0 L | 14.0 L |
| Gears | 4 -speed | 5 -speed |
The Verdict
Comparing these two Kawasaki machines reveals the brand's evolution. The 1969 Kawasaki W2SS laid the groundwork with 53hp, while the later 1974 Kawasaki KZ400 pushed output to 36hp. From a collector's perspective, the 1969 Kawasaki W2SS holds the edge with a 5/10 rating. Either way, both are worthy additions to any Kawasaki collection. Parts availability is moderate for the 1969 Kawasaki W2SS and good for the 1974 Kawasaki KZ400 — an important factor for any restoration project.
About the 1969 Kawasaki W2SS
Introduced in 1969, the 1969 Kawasaki W2SS features a 624cc OHV twin engine producing 53hp, establishing itself as a notable standard motorcycle.
Full 1969 Kawasaki W2SS Profile →About the 1974 Kawasaki KZ400
The 1974 1974 Kawasaki KZ400 is a 398cc twin-cylinder standard motorcycle that became one of Kawasaki's most memorable motorcycles of the 1970s.
Full 1974 Kawasaki KZ400 Profile →