Triumph Twin Top Dead Centre Tool, BSF Thread, Parts 60-0571, D571, P259C

High quality British made Triumph timing tool, fits into the threaded hole in the crank case and locates in the machined slot on the centre of the crank to locate the crank at the top dead centre position.

Triumph part: 60-0571, D571.

As used on Triumph twin motorcycle engines with BSF threads up to 1968, see my other listing for the tool from 1969 onwards which use UNC thread forms, Triumph part 6005-72 or 60-1859.

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