Triumph TR6 Trophy — Wikipedia, the free encyclopedia

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Triumph Trophy 250


Background [ edit ]

The of the model came with the of the 650cc Thunderbird Model in This was released to meet the for higher capacity motorcycles, from the United States, largest export market. In the T110 model was introduced, a performance version of the Thunderbird. The of these models and the 500cc TR5 led to the creation of a 650cc TR6 Trophy [ 2 ] The TR6 was developed and produced specifically for the US in particular, California desert [ 3 ]

Pre-unit models [ edit ]

The was introduced in 1956 and named the TR6 borrowing its name from the model. [ 4 ] The model used the engine as the T110 but with the new alloy cylinder head. The iron barrel was retained but silver. The engine used compression ratio and developed The power delivery made the ideal for off-road competition, for the model is well known.

The bike sported a ‘siamese’ exhaust system and a 7-inch brake. [ 5 ] Another feature from the TR5 was the quick detachable which was ideal for bikes to competitive events and back This used a multipin which plugged into the of the headlamp shell.

For 1957 the brake was enlarged to 8inches. The TR6 was now with a Lucas Red Label Magneto as standard. [ 6 ] This was the year of the Harmonica tank For the 1959 model year the was offered in two variants the TR6/A and

The TR6/A was the roadster model low pipes and the TR6/B was the high-piped [ 7 ] After Edward Turner. the Triumph designer, witnessed the of a young rider on a TR6, at the Big Bear Run, due to frame it immediately received a stronger head. For 1961 the Trophy-Bird was replaced with simply The home model was named the TR6 the US export models were TR6C for the competition model and for the road model.

Ruby Red and Silver was used for all For 1962 the US models were TR6SR and TR6SC. [ 8 ] Introduced in and offered through 1966 was the model which sported a exhaust, but was otherwise similar to the going model. The TR6SS the cheaper K2F magneto rather the competition K2FC used

Unit construction, pre-oil in models [ edit ]

Like the 650cc models, the Trophy unit construction in 1963. traded some smoothness for as a few pounds were lost. ignition replaced the magneto.

For the bike received stronger forks, which improved The Smiths Chronometric instruments replaced by the magnetic type. In a locating pin for finding TDC was added to timing without the use of a dial

In 1966 the tank badge changed for the Harmonica style to the Confusingly the model designators for the US now to TR6R and TR6C. The electrics to 12volt and a bigger 6-pint oil added.

The front brake drum was to allow a larger braking [ 9 ] TR6C models had a smaller 2.5 imperial gallons (11l; tank without the parcel

For 1967 the TR6 received some changes. [ 10 ] Compression was raised to and Bonneville exhaust valve and were adopted, resulting in a increase. This year was the of the shift to unified threads. The got twin high pipes on the side.

The twin leading brake was adopted in 1968. [ 11 ] is often retro fitted to bikes as shown in the bike above which is a 1964 It provides superb braking and set up correctly, performs as well as 70s era brakes. This year saw the of the Amal Concentric Carburettor. [ 12 ] The was the Sport version with low and the TR6C was the Trophy Special high pipes and folding

The TR6C Trophy Special was at the request of Triumph’s sole US at the time, Johnson Motors in California, as a way to target the growing of desert riders. It was fitted Dunlop Trials Universal tires and was the model referred to as the Sled.

1968 650 cc TR6C Trophy

The TR6 and TR6R were Tiger for 1969, leaving the model with the Trophy The front brake used a actuating lever to avoid of the cable on the front mudguard. changes included the larger alternator and twin Windtone

Triumph Trophy 250
Triumph Trophy 250

The signature parcel grid was dropped for all models.

1970 was the year before the ‘oil in was adopted. The exhausts on the TR6C the barbecue grill heat

Oil in frame models [ edit ]

In the TR6R Tiger and TR6C adopted the P39 frame like the 650 models. The twin high were retained on the left [ 13 ] The main improvement over the models was the handling, helped by the frame and improved front However, there were problems with these new

The oil capacity was reduced causing the to run hot and the new ‘conical’ hub front brake frequent adjustment to avoid The new electrics proved unreliable. changes attempted to correct problems.

For 1972 five-speed was as an option thus creating the and TR6CV models. The TR6 model in 1973 when it was replaced by the TR7 model.

Police models [ ]

Before using the Trophy, UK forces successfully deployed Twin and Thunderbird models. The version, codenamed the TR6P, the model name Saint. [ 14 ] had a special petrol tank typically accommodated a PYE radio It had panniers, a fairing or leg shields. [ 15 ] were sold between and 1973.

The factory varied the specification according to the needs of the individual force.

A rare TR6SS was produced for the US police. It is not known if were ever used for duties. [ 16 ] In 1967, Triumph the Saint model to the US public as a for the beloved but discontinued Thunderbird

Triumph Trophy 250
Triumph Trophy 250
Triumph Trophy 250

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