814 Repair Manual — Volume I — Page 142

b) Using strobe lamp with : - Turn the engine at 1800 r.p.m. - Adjust the control to keep the mark on the drive pulley (lit by the strobe lamp) opposite the zero mark on the graduated sector. - Read the distributor advance on the dial, and make sure it is correct. If this is not the case adjust the angular position of the distributor. During the operation check and correct the engine speed if necessary. NOTE :