814 Repair Manual — Volume I — Page 35

4. Screw in fully, without forcing, the accelerated 1360 idling adjusting screw (4). 5. Turn the secondary butterfly stop screw (2) to obtain a speed of : - 550 r.p.m. approx. (vehicles ——s 9/1968) - 625 r.p.m. (vehicles _— 9/ 1968) 6. Turn the mixture screw (3) in one direction or the other until the point of maximum speed is reached for the butterfly opening as above.