1956-1972 Evinrude Johnson 1.5-40 hp Outboard Workshop Manual (P/N 58014-8)

• Complete 422-page OEM publication detailing 1956–1972 Evinrude and Johnson outboards (1.5 HP to 40 HP)
• Covers manual shift, electric shift, and various starter-type variants
• Features 95 exploded-view diagrams, 27 specific technical reference tables, and 14 electrical wiring diagrams

Technical Structure and Contents

This service manual details the complete teardown and assembly procedures for two-cycle outboard engines. Rather than offering basic overviews, the text digs directly into the fundamental theory of operation, engine block assembly, and powerhead maintenance. You will find dedicated sections breaking down lower unit repairs and electrical system troubleshooting. It specifically highlights carburetor adjustments, flywheel magneto ignition settings, and starter motor servicing across the entire horsepower lineup.

Maintenance and Reference Data

Expect highly specific data crucial for your bench work. The manual documents exact torque specifications for main bearing bolts, cylinder head fasteners, and connecting rod caps. Appendix tables clearly map out cylinder block service limits, ring end-gap clearances, and carburetor adjustment settings. For precise setup, it outlines ignition timing synchronization and maintenance intervals for both small and large displacement units. Standard intake valve clearance is listed at 0.010 inches for most models. Lower unit service sections verify water pump capacities, while inspection tables define crankshaft journal run-out limits. Working on marine engines involves pressurized fuel lines and high-voltage ignition systems. Always verify procedures against these factory specifications and consult a certified marine technician before executing complex powerhead repairs to ensure safe operation.