Triumph T120 Bonneville (1970-71)

Make Model: Triumph Bonneville 650 T120


Year: 1970 – 71
Engine: Four stroke, parallel twin, OHV
Capacity: 649 cc / 39.6 cu in
Bore x Stroke: 71 x 82 mm
Compression Ratio: 9.0:1
Cooling System: Air cooled
Induction: 2 x 30 mm Amal concentric carburetors
Ignition: Battery, coil
Starting: Kick
Lighting system: 12V alternator
Oil system.: Double plunger pump, dry sump
Oil capacity: 3.4 L / 7.2 US pt / 6 Imp pt
Clutch: Multi-disc, wet
Max Power: 37.3 kW / 50 hp @ 7000 rpm
Max Toque: 52.1 Nm / 5.3 kgf-m / 38.5 lb-ft @ 6000 rpm
Transmission: 4 Speed
Final Drive: Chain
Gear Ratios: 4th 4.95 / 3rd 6.14 / 2nd 8.36 / 1st 12.08
Front Suspension: Telescopic forks
Rear Suspension: Swinging arm, dual shocks
Front Brakes: Drum

Rear Brakes: Drum
Front Tyre: 3.25 -19
Rear Tyre: 4.00 -18
Fuel Capacity: 16L / 4.2 US gal / 3.5 Imp gal
Wet Weight: 181 kg / 399 lbs


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