Triumph Bonneville

Specifications

Production

1959–1983, 1985–1988, 2001–

Engine

Four-stroke parallel twin

Transmission

4-speed (later 5-speed & 6-speed)

Predecessor

TR6 Trophy

Model years: 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983

Source: public wiki data, cleaned and reformatted. Figures are manufacturer-reported reference values, not verified by Garagely.