Triumph TR6 PI Operation Manual page 136

FUEL SYSTEM PI
Adjustment
7. Should adjustment of the butterflies be necessary,
maintain the engine at normal operating temperature,
check as in instruction 3 and with the air intake
manifold removed proceed as follows:-
8. Slacken the throttle cable adjuster so that there is no
tension in the cable.
9. Turn the throttle adjusting screw anti-clockwise so
that it is well clear of the countershaft operating
lever.
9
10. Slacken the cold start adjusting screw clockwise so
that the screw head is well clear of the cam.
Continued
19.20.05 P.I. Sheet 2 Triumph TR6 Manuat Part No. 545277 fssue I