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Specifications - Bonneville T120 Ace and Diamond
165
Specifications - Bonneville T120 Ace and Diamond
Dimensions, Weights and Performance
A list of model specific dimensions, weights and performance figures is available
from your authorised Triumph dealer, or on the Internet at www. triumph. co. uk.
Payload Bonneville T120 Ace Bonneville T120 Diamond
Maximum Payload 210 kg (463 lb) 210 kg (463 lb)
Engine Bonneville T120 Ace Bonneville T120 Diamond
Type
Liquid cooled parallel twin,
270° firing angle
Liquid cooled parallel twin,
270° firing angle
Displacement 1,200 cc 1,200 cc
Bore x Stroke 97.6 x 80 mm 97.6 x 80 mm
Compression Ratio 10:1 10:1
Cylinder Numbering Left to right Left to right
Cylinder Sequence 1-2 1-2
Firing Order 1-2 1-2
Starting System Electric starter Electric starter
Lubrication Bonneville T120 Ace Bonneville T120 Diamond
Lubrication System Wet sump Wet sump
Engine Oil Capacities:
Dry Fill 3.8 litres 3.8 litres
Oil/Filter Change 3.4 litres 3.4 litres
Oil Change Only 3.2 litres 3.2 litres
Cooling Bonneville T120 Ace Bonneville T120 Diamond
Coolant Type Triumph HD4X Hybrid OAT Triumph HD4X Hybrid OAT
Water/Coolant Ratio
50/50 (pre-mixed as
supplied by Triumph)
50/50 (pre-mixed as
supplied by Triumph)
Coolant Capacity 1.558 litres 1.558 litres
Thermostat Opens 88°C +/- 2°C 88°C +/- 2°C
Fuel System Bonneville T120 Ace Bonneville T120 Diamond
Type Electronic fuel injection Electronic fuel injection
Fuel Pump Submerged electronic Submerged electronic
Fuel Pressure (nominal) 3.5 bar 3.5 bar
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