In those years the service manual was a "one size fits all" book covering virtually everything a dealer would need to set up his business. The real nitty-gritty was in the service bulletins they periodically sent out. In the manual after setting up a showroom and service department, they started with the principles of two cycle engine oeration and then went over carburation, Ignition, powerhead rebuilding, water pump operation and gear case maintenance. There was a trouble shooting guide to point you to the proper section of the manual to correct each problem. In the late ’40s they started a series of service clinics which covered the fine points of service for some models. A booklet was available that duplicated those slide show presentations. (The "Evinrude Presents" series – Magneto Maintenance "Flywheel type" – Magneto Maintenance "rotor type" – Carburetor Maintenance "Check valve type" – Etc.)The booklets were twenty five cents and are now rare and expensive when found on Ebay. They did not come out with a comprehensive single model service manual until the 1960s.
In 1937 the parts books were (poor) copies of pictures of the parts numbered to give the part number on another page. They shortly changed to using copies of blue prints. Because of the size of the page, small details were hard to see. in 1948 they started a switch to an "exploded" view that is used today. I had thought about converting the blue prints to an exploded view but I don’t have room for a drafting table and am having trouble finding time to learn Autocad which uses the computer to do the work of solid geometery needed for the conversion. Service manuals would then follow . . . 😕
from 1931
from 1937
from 1938
from 1947
