Triumph’s 1978 MY Bonneville T140 is put in motion thanks to an air-cooled 744cc parallel-twin powerplant, which packs a compression ratio of 7.9:1 and two Amal carburetors with 30 mm (1.2 ...

Numbers-Matching '76 Triumph Bonneville T140 Is Looking for A Place to Call Home. Published: 21 Jun 2021, 23:30 UTC • By: Silvian Secara. 17 photos. Photo: Bring A Trailer.