These are the known mechanical and performance specifications for your 1969 Triumph Bonneville T120R Roadster.
Basic Specs
Engine
Displacement649.00 ccm (39.60 cubic inches)
Type
DetailsTwin, four-stroke
Max RPM
Compression9.0:1
Bore/Stroke71.0 x 82.0 mm (2.8 x 3.2 inches)
Valves/Cylinder
FuelingCarburettor. Amal Concentric carburettor
IgnitionLucas
Exhaust
Lubrication
CoolingAir
Performance
Horespower49.00 HP (35.8 kW)
Torque
Top Speed185.0 km/h (115.0 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity9.46 litres (2.50 gallons)
Emissions
Chassis
Frame TypeBrazed lug, full-cradle, single downtube
Rake26.0°
Trail
Front SuspensionTelescopic fork, hydraulic damping.
Front Travel
Rear SuspensionSwing arm, 2 Girling dampers
Rear Travel
SeatDual seat, black and gray
Seat Height775 mm (30.5 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance127 mm (5.0 inches)
Wheelbase1,403 mm (55.2 inches)
Dry Weight165.0 kg (363.8 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre3.25-19
Rear Tire/Tyre4.00-18
Front BrakesExpanding brake (drum brake). Twin Leading Shoe
Front Brake Diameter203 mm (8.0 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter178 mm (7.0 inches)
WheelsWire spoked. Dunlop tyres.
Comments