1975 Triumph Trident
1975 Triumph Trident Background & History
It’s amazing to think about how much of a leap the ’75 Triumph Trident T160 was over the '74 T150, especially considering that the newly-formed, worker-owned Meriden Co-op was also woefully underfunded. In other words, they had almost no money for R&D. And yet they produced this stunning achievement on literally a shoestring budget. It’s clear, by the ambition displayed here, that the scrappy Brits expected this new model to carry them into their next generation of what they hoped would be state-of-the-art Triumph motorcycles.
1975 Triumph Trident Improvements
The most obvious difference between the ’75 T160 and all former T150 Tridents is the forward-canted cylinders, like those of the BSA Rocket 3. This was done to make room for the biggest improvement, the long-awaited electric starter. The new Trident was also converted over to left-foot-shift, to meet new US laws. Since the rear brake pedal now had to be switched over to the right side, they went ahead and converted over to a rear disk, eliminating the 7″ rear conical drum brake that it had used since 1971. The bike was also totally restyled, with a much more modern look. Gone were the 3-into-2 exhaust headers, and in their place an elegant 3-into-4 setup. It really turned out well, it was fast, handled well and it looked great. Unfortunately, due to the currency exchange rate at the time, it was expensive, and the cash-strapped Meriden Co-op was never able to produce enough of them to make any real difference in the marketplace. On top of all that, the electric starters gave endless trouble, and most just kick-started their bikes anyway. Can you say “Lucas, Prince of Darkness”? In modern times, modern batteries, new aftermarket starters and components have largely eliminated this problem. With the proper setup, a 1975 Triumph Trident T160 can be a very reliable, rideable bike that starts every time.
What's in a Name?
Over the years, the standard Triumph apha-numeric nomenclature for their high-performance road bikes has always been to start with a “T” for Triumph, and follow it with a number that was supposed to represent the bikes claimed top speed. When Triumph took the plebeian 500cc Triumph Speed Twin and hot-rodded it with a hotter cam and higher compression, they recreated the T100 Tiger, implying that it would do 100 mph. When they punched it out to a 650, it was known as the T110 Tiger, again implying a 110 mph top speed. When the twin-carb Bonneville arrived in 1959, it was only logical that Triumph’s hottest machine advertise the highest top-speed, hence the T120. When the Bonneville grew to a 750 in 1973, it became the T140, and perhaps for the first time, no one took it seriously. Can you imagine going 140 mph on a stock 1973 Triumph Bonneville? But, there it was. Of course, by this time the Trident had launched in 1969 as the T150, in the vein hope of topping out at 150 mph. Of course, by the time 1975 rolled around and it was time to bump the name up, commensurate with significance of this model change, they stopped worrying about claiming it would go 160 mph, they just named it the T160. It was the next logical number in the sequence. And it sounded good. Too bad it only lasted one year. There were no ’76 Tridents.
ABOVE: The 1975 Triumph Trident came in two different color combos. Gold on white, and white on red, like this one.
ABOVE & BELOW: You can clearly see the new electric starter residing behind the cylinders.
1975 Triumph Trident Specifications
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Model Designation Engine type Displacement Bore & Stroke Compression Carburetors Primary drive Clutch Final drive Gearbox Ratios, overall: 1st, Bottom 2nd 3rd 4th 5th, Top Wheelbase Ground clearance Seat height Suspension, front Suspension, rear Brake, front Brake, rear Wheel, front Wheel, rear Tire, front Tire, rear Weight |
1975 Trident T160 Air-cooled OHV inline 3-cylinder 741cc / 45ci 67mm X 70mm / 2.67″ X 2.751″ 9.5:1 3- Amal Concentric 3/8″ Triplex chain X 82 links Single plate, dry, diaphragm-type 5/8″ X 3/8″ chain X 104 links 5-speed constant-mesh, left foot shift
12.71:1 9.04:1 6.89:1 5.85:1 4.92:1 58.0" / 1475 mm 6.5″ / 16 cm 32.0″ / 81 cm Telescopic fork, oil damped Swing arm, 2 coil-over hydaulic dampers 8″ hydraulic disk brake 8″ hydraulic disk brake WM 2-19 (19″) WM 3-19 (19″) 3.25″ X 19″ 4.10″ X 19″ 460 lbs / 209 kg |
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