1982 Engine Service Association publication: Air Cooled Engine Mechanics Training Manual- Principles of Operation, Service and Maintenance.
The manual covers the principles of air cooled engines. Theory of operation including 4 and 2 stroke engines, fuel system, lubrication, piston, crankshaft, gears etc..
A nice soft cover manual, very mild wear to spine and upper corner, light tanning, no marks or damaged pages.
1982
Engine Service Association
Soft Cover
186 pages
8.5 x 11