1972 Triumph Trident


1972 Triumph Trident T150

1972 TRIUMPH TRIDENT BACKGROUND
The Trident benefitted majorly from the 1971-and-later redux of the Oil-in-Frame 650 twins. While the Trident didn’t get the oil-bearing frame, it got just about everything else. Most notably, these included the new front forks sans rubber ‘gators’, the new headlight, turn signals and gauge package, the megaphone mufflers, and those great-looking conical hubs. Overall, it made for a very handsome package. Not much changed mechanically, other than typical yearly refinements. The 1972 Triumph Trident T150 was turning in to a fine machine. Unfortunately, events would soon catch up with Triumph and the whole British motorcycle industry, or at least what was left of it. But that’s another story, and one you can read by ordering the book Save the Triumph Bonneville: The Inside Story of the Meriden Workers’ Co-op. It’s written by John Rosamond, who started out as a welder on the Triumph assembly line and ended up running the whole show. It’s an important story to all British bike nuts, real history, and a great read.


1972 Triumph Trident SPECIFCATIONS


Model Designation

Engine type

Engine configuration

Engine displacement

Bore & Stroke

Compression Ratio

Horsepower

Ignition type

Electrical System

Contact Breaker Gap

Advance Range

Fully Advanced at

Carburation

Carb type

Main Jet size

Needle Jet size

Needle type

Needle position

Primary Drive

Clutch

Gearbox

Shifting

Shift Pattern

Gearbox Internal Ratios:

4th

3rd

2nd

1st

Overall Ratios:

4th

3rd

2nd

1st

Final Drive:

Gearbox Sprocket

Wheelbase

Overall Length

Overall Width

Overall Height

Ground Clearance

Seat Height

Unladen Weight

Engine Weight

Engine Lubrication

Front Suspension

Rear Suspension

Front Brake

Rear Brake

Front Tire size

Front Tire type

Rear Tire size

Rear Tire type

T150

4-stroke, air-cooled

traverse inline 3-cylinder

741cc / 45ci

67mm X 70mm

9.0:1

58hp @ 7,250rpm

Ponts & Coils

12 volts DC

.014-.016″ / .35-.40mm

12 degrees / 24 degrees

2,200rpm

3-Amal 26mm Concentrics

Amal Mk I

150

106

STD

2

triple-row chain

single-plate dry, diaphram

4-speed constant mesh

right foot

1-down, 3-up

1.00:1

1.26:1

1.71:1

2.47:1

5.26:1

6.64:1

9.00:1

13.00:1

18 teeth

57in / 144.78cm

86in / 218.44cm

33in / 81.28cm

43.5in / 100.49cm

6.5in / 16.51cm

32in / 81.28cm

460 lbs / 208.0 kg

180 lbs / 81.72 kg

dry sump

telescopic, hydraulic

swing arm, 2 dampers

8-inch TLS drum, conical

7-inch SLS drum, conical

3.25 X 19″

Dunlop TT100

4.10 X 19″

Dunlop TT100

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