CLYMER B721 MANUAL MERCURY 3.5-40 HP OB 72-1989

CLYMER B721 MANUAL MERCURY 3.5-40 HP OB 72-1989. The vendor part number is B721. Read title to know what you are getting. Catalog descrition… This Clymer repair manual covers 1972-1989 Mercury 3.5-40 HP, including electric motors: Mercury 3.5, Mercury 3.6 Mercury 4 (40), Mercury 4.5 (45) Mercury 5 Mercury 6 Mercury 7.5 (75) Mercury 8 Mercury 9.8 (110), Mercury 9.9 Mercury 15 Mercury 18 Mercury 20 (200), Mercury 25 Mercury 35 Mercury 40 (402) TABLE of CONTENTS: General information Tools and techniques Troubleshooting Lubrication, maintenance and tune-up Engine synchronization and linkage adjustments Fuel system Electrical systems Power headde,sans-serif;">Gearcase Automatic rewind starters Power tilt system Wiring diagrams