The 1966 Triumph Tiger TR6 from United Kingdom was powered by a 649cc OHV twin producing 40hp at 6500rpm. Weighing 175.0kg (386 lbs) and with a seat height of 790mm, it was aimed at standard riders.
The 1968 Triumph Bonneville T120R 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 Triumph Tiger TR6 | 1968 Triumph Bonneville T120R | |
|---|---|---|
| Displacement | 649 cc | 649 cc |
| Power | 40 hp | 46 hp |
| Torque | 48.0 Nm | 52.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 170 km/h | 180 km/h |
| Quarter Mile | — | — |
| Dry Weight | 175.0 kg | 170.0 kg |
| Wet Weight | 188.0 kg | 184.0 kg |
| Seat Height | 790 mm | 790 mm |
| Wheelbase | 1400 mm | 1400 mm |
| Fuel Capacity | 14.0 L | 14.0 L |
| Gears | 4 -speed | 4 -speed |
The Verdict
Comparing these two Triumph machines reveals the brand's evolution. The 1966 Triumph Tiger TR6 laid the groundwork with 40hp, while the later 1968 Triumph Bonneville T120R pushed output to 46hp. From a collector's perspective, the 1968 Triumph Bonneville T120R holds the edge with a 8/10 rating. Either way, both are worthy additions to any Triumph collection. Parts availability is moderate for the 1966 Triumph Tiger TR6 and good for the 1968 Triumph Bonneville T120R — an important factor for any restoration project.
About the 1966 Triumph Tiger TR6
The 1966 1966 Triumph Tiger TR6 is a 649cc twin-cylinder standard motorcycle that became one of Triumph's most memorable motorcycles of the 1960s.
Full 1966 Triumph Tiger TR6 Profile →About the 1968 Triumph Bonneville T120R
Introduced in 1968, the 1968 Triumph Bonneville T120R features a 649cc OHV twin engine producing 46hp, establishing itself as a notable standard motorcycle.
Full 1968 Triumph Bonneville T120R Profile →