Triumph Bonneville T 120: history, specs, pictures
 |
|
| Triumph Bonneville T 120 | |
| Manufacturer | |
|---|---|
| Production | 1959 |
| Class | Naked |
| Engine | Air cooled, four stroke, parallel twin, OHV |
| Bore / Stroke | 70.9mm x 70.9mm |
| Compression ratio | 8.5:1 |
| Horsepower | 46.0 HP (34.3 KW) @ 6700RPM |
| Fuel System | Carburetors |
| Transmission | Gear box: 4 Speed Final Drive: Chain |
| Suspension | Front: Telescopic fork Rear: Twin shocks |
| Brakes | Front: Drum Rear: Drum |
| Front Tire | 3.25 -19 |
| Rear Tire | 4.00 -18 |
| Weight | |
| Manuals | Service Manual |
The Triumph Bonneville T 120 was a Air cooled, four stroke, parallel twin, OHV Naked motorcycle produced by Triumph in 1959. Claimed horsepower was 46.0 HP (34.3 KW) @ 6700 RPM.
Engine[edit | edit source]
A 70.9mm bore x 70.9mm stroke result in a displacement of just 649.0 cubic centimeters.
Drive[edit | edit source]
The bike has a 4 Speed transmission.
Chassis[edit | edit source]
It came with a 3.25 -19 front tire and a 4.00 -18 rear tire. Stopping was achieved via Drum in the front and a Drum in the rear. The front suspension was a Telescopic fork while the rear was equipped with a Twin shocks.
1959 - 1972 Triumph Bonneville T 120[edit | edit source]
Bonneville was a success from the beginning. In 1959, the T120 engine was in fact a small T110 with some improvements but a few years later, the engine and gearbox were combined and the bike got a new frame. Later, the engine was enlarged from 650cc to 725cc, then the T140 was born.