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In due course, a Weslake 8-valve head became available for the Triumph motor. The Triumph engine was seen as an upgrade because the Norton 650 and 750 vertical twin engines were known to have reliability problems. [citation needed] At about 7000 rpm the piston exceeds the engineering limit for piston speed, so over-revving soon destroys the ...
650 1956–1968 Single carburetor model. TR6C Trophy: 650 C is the 'Competition' Model. High pipes on left side. Frequently referred to as desert sleds when used for racing in the Western US. Lower overall gear ratios. TR6P Saint 650 1967-1973 Police version of the unit construction Trophy. Named the "Saint", an acronym for "Stop Anything In No ...
The TR6C Trophy Special was built at the request of Triumph's sole US distributor at the time, Johnson Motors in southern California, as a way to target the growing number of desert riders. It was fitted with Dunlop Trials Universal block-tread tires and was the model referred to as the "Desert Sled". 1968 650-cc TR6C Triumph Trophy
The original Triumph Bonneville was a 650 cc parallel-twin motorcycle manufactured by Triumph Engineering and later by Norton Villiers Triumph between 1959 and 1974. It was based on the company's Triumph Tiger T110 and was fitted with the Tiger's optional twin 1 3/16 in Amal monobloc carburettors as standard, along with that model's high-performance inlet camshaft.
Pages in category "Triumph Motor Company vehicles" The following 47 pages are in this category, out of 47 total. This list may not reflect recent changes. 0–9.
The T110 was built in 1953 and introduced as a 1954 model. The originally cast iron cylinder block and head soon were replaced with a light alloy cylinder head with special airways to improve cooling and austenitic iron valve seat inserts. The external oil feed pipes were also replaced with internal oilways via the pushrod tubes.
A 600 cc Triumph Daytona 600 was manufactured in 1983 by Triumph Motorcycles in their Meriden factory. It was a short-stroke twin-carburettor version of the 650 cc TR65 Thunderbird with an 8.5:1 compression ratio, but it was exhibited at the 1983 motorcycle show at the National Exhibition Centre as a new model for their (eventually unrealised ...
The Triumph Bonneville T140 is a standard motorcycle with a 750 cc (46 cu in) capacity engine that was designed and built by Triumph Engineering at Meriden near Coventry.. The T140 was a continuation of the second generation in the Bonneville series developed from the earlier 650 cc (40 cu in) T120 Bonneville and was produced by Triumph in a number of versions, including limited editions, from ...