Triumph T120 650 Bonneville Police

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Triumph-Bonneville-66.jpg
Triumph T120 650 Bonneville Police
Manufacturer
Production 1966
Engine
Four stroke, parallel twin, OHV
Compression ratio 8.5:1
Ignition Lucas MA6 alternator with 2 coils
Transmission 4 Speed, constant mesh
Frame Single front downtube, second bracing member running under tank
Suspension Front: Telescopic forks, hydraulic damping
Rear: Swingarm, twin Girling dampers
Brakes Front: 8" SLS drum
Rear: 7" SLS drum
Front Tire 3.25 x 19, Dunlop Universal
Rear Tire 4.00 x 18, Dunlop Universal
Wheelbase 1403 mm / 55.2 in
Seat Height 775 mm / 30.5 in
Weight
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
Manuals Service Manual



Engine[edit | edit source]

The engine was a Air cooled cooled Four stroke, parallel twin, OHV. The engine featured a 8.5:1 compression ratio.

Drive[edit | edit source]

Power was moderated via the Wet, multiplate.

Chassis[edit | edit source]

It came with a 3.25 x 19, Dunlop Universal front tire and a 4.00 x 18, Dunlop Universal rear tire. Stopping was achieved via 8" SLS drum in the front and a 7" SLS drum in the rear. The front suspension was a Telescopic forks, hydraulic damping while the rear was equipped with a Swingarm, twin Girling dampers. The T120 650 Bonneville Police was fitted with a US: 13.6 L / 3.6 US gal / 3 Imp gal / UK and other Export: 18 L / 4.8 US gal / 4 Imp gal fuel tank. The wheelbase was 1403 mm / 55.2 in long.

Photos[edit | edit source]

Triumph T120 650 Bonneville Police

Overview[edit | edit source]

Triumph Bonneville 650 T120 Police







Make Model Triumph T120 Bonneville 650 Police
Year 1966
Engine Type Four stroke, parallel twin, OHV
Displacement 649 cc / 39.6 cu in
Bore X Stroke 71 x 82 mm
Compression 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 Tire 3.25 x 19, Dunlop Universal
Rear Tire 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