1975 Triumph Trident

Earlier we had highlighted the Speed Twin from 1936 which was the game changer for Triumph. This 1975 Triumph Trident offered on eBay can be seen as end result of what Ed Turner started. The T150, as it was called with a Triumph badge on the tank, added a third cylinder and increased displacement to 741cc. The sad thing is that it can also be seen as the beginning of the end for Triumph.

Development began on a Triumph triple years before it was finally released in 1968. Bert Hopwood and Doug Hele started the changes to the twin but some of the reasons for the delay was because of the management, or mismanagement, of the company. BSA had purchased what was left of Triumph earlier and when the Trident came to be, it was also badged as the BSA Rocket 3. As it worked out, less then six months after the Trident went on sale in 1968, the CB750K debuted and started the end of the British motorcycle industry.

From the seller

 Up for auction is this 1975 Triumph Trident T150 5-speed. This bike is in great condition with original paint. The paint has some checking and fading. The chrome on the bike is in good condition. The right muffler has a scratch and a hole in it at the end. The seat is in good condition but does have a small tear in it. The engine and frame number do match. After those things said this is a super nice, super original 1975 Triumph Trident.

 

The numbers I found for the 3 cylinders in both Rocket and Trident forms were 60bhp at 7250rpm. I found top speed credited to the Triples ranging from 105mph to 125mph. This may be because of the first years having only 4 speeds in the gear box, and after 1971 getting a fifth gear in the unit transmission.

Other changes in the middle of the life of the T150 were the switch from drum to disk brakes, the addition of an electric starter, and because of US laws, flip flopped shift and brake levers. This T150 Trident offered on eBay is likely a 1974 model that ended up being titled in 1975 as it still has traditional British right side shifting.

The Trident and Rocket 3 were well received by British enthusiast because it had delivered a long overdue increase in capacity and performance. But it was still British and as with the whole of the motor industry in 1970’s England the fit and finish were far below what could be expected from comparable Japanese products. The labor disputes that included a 2 year sit in by Triumph employees could not have helped the battle that Triumph was fighting on the sales front.

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