1969 Triumph Bonneville T120R Roadster

Triumph Bonneville T120R Roadster 1969


1969 Triumph Bonneville T120R Roadster specifications, pictures, reviews and rating

General information
Model name Triumph Bonneville T120R Roadster
Year 1969
Category Sport
Rating 3.3  Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike.
Engine and transmission
Displacement 649.0 ccm (39.60 cubic inches)
Engine type Twin, four-stroke
Power 49.0 HP (35.8 kW)) @ 6200 RPM
Top speed 185.0 km/h (115.0 mph)
Compression 9.0:1
Bore x stroke 71.0 x 82.0 mm (2.8 x 3.2 inches)
Fuel system Carburettor. Amal Concentric carburettor
Fuel control Overhead Valves (OHV)
Ignition Lucas
Cooling system Air
Gearbox 4-speed
Transmission type Chain (final drive)
Clutch Multi-plate, wet
Chassis, suspension, brakes and wheels
Frame type Brazed lug, full-cradle, single downtube
Rake (fork angle) 26.0°
Front suspension Telescopic fork, hydraulic damping.
Rear suspension Swing arm, 2 Girling dampers
Front tire 3.25-19
Rear tire 4.00-18
Front brakes Expanding brake (drum brake). Twin Leading Shoe
Diameter 203 mm (8.0 inches)
Rear brakes Expanding brake (drum brake)
Diameter 178 mm (7.0 inches)
Wheels Wire spoked. Dunlop tyres.
Seat Dual seat, black and gray
Physical measures and capacities
Dry weight 165.0 kg (363.8 pounds)
Power/weight ratio 0.2970 HP/kg
Seat height 775 mm (30.5 inches) If adjustable, lowest setting.
Ground clearance 127 mm (5.0 inches)
Wheelbase 1403 mm (55.2 inches)
Fuel capacity 9.46 litres (2.50 US gallons)
Other specifications
Color options Olympic Flame/Silver
Starter Kick
Instruments Smiths Magnetic gauges
Electrical 12-volt electrical system
Update specsReport missing specs or required updates.
Further information
MaintenanceFind parts, fluids. filters, maintenance tools and service manuals at Amazon.com.
Ask questionsJoin the 69 Triumph Bonneville T120R Roadster discussion group or the general Triumph discussion group.
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Rating sample for this Triumph bike
Touring capabilities for the 1969 Triumph Bonneville T120R Roadster:

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