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Triumph 650 Carburettor Mounting Methods

The following table lists the various combinations of o-rings, insulating blocks, & joint washers used by Triumph to mount Monobloc and Concentric carburettors on 1966-1970 models as listed in the specified Triumph parts catalogs.

However, later 1968 models, as well as 1969 models (shown with a grey background) were fitted with the later 70-9711 o-ring (shown in the 1970 column) and not the parts shown in their respective parts catalogs. For more details, see the Carburettor O-Rings section of the Bonnie Ref.