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Triumph Bonneville 650 T120R

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Make Model

Triumph Bonneville 650 T120

Year

1971

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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