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Triumph Bonneville 650 T120 Police

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Make Model

Triumph T120 Bonneville 650 Police

Year

1966

Engine

Four stroke, parallel twin, OHV

Capacity

649 cc / 39.6 cu in
Bore x Stroke 71 x 82 mm
Compression Ratio 8.5:1
Cooling System Air cooled

Induction

2 x Amal 1 - 1/6" carburetors

Ignition

Lucas MA6 alternator with 2 coils

Starting

Kick

Max Power

34 kW / 46 hp @ 6500 rpm

Clutch

Wet, multiplate

Transmission

4 Speed, constant mesh

Final Drive

Chain, 106 links

Gear Ratios

1st 11.80 / 2nd 8.17 / 3rd 6.76 / 4th 5.84:1
Frame Single front downtube, second bracing member running under tank
Steering Angle 65o

Front Suspension

Telescopic forks, hydraulic damping

Rear Suspension

Swingarm, twin Girling dampers

Front Brakes

8" SLS drum

Rear Brakes

7" SLS drum

Front Tyre

3.25 x 19, Dunlop Universal

Rear Tyre

4.00 x 18, Dunlop Universal

Dimensions

Length 2020 mm / 85.5 in

Width    720 mm / 28.5 in

Wheelbase

1403 mm / 55.2 in

Seat Height

775 mm / 30.5 in

Ground Clearance

127 mm / 5.0 in

Fuel Capacity

US: 13.6 L / 3.6 US gal / 3 Imp gal / UK and other Export: 18 L / 4.8 US gal / 4 Imp gal