Johnson 1973 Sea-Horse Owners Manual 40HP


Johnson 1973 Sea Horse Owners Manual 40HP

Original black and white vintage owners manual printed in English.

42 pages

Status: Ready for Download (admin fee applies*)

*due to the volume of requests we now have a small admin charge associated with COMPLETE MANUAL downloads 


Johnson 1973 Sea-Horse Owners Manual 40HP

Printed in Black and White with Colour front and back covers with 42 pages of operating instructions, specifications, and general use recommendations for the 1973 Sea Horse Outboard.

Covers Models: 40R73, 40RL73, 40E73 & 40EL73

Good Condition for age with some light dog ear and marks – including a copy on the front cover (see images)

Part number: 385742

Model 40R73, Manual Start   Standard Length
Model 40E73, Electric Start   Standard Length
Model 4011173, Manual Start   Long Shaft
Model 40EL73, Electric Start   Long Shaft
Powerhead   Two Cylinder – Two Cycle, Alternate Firing
Bore and Stroke 3  1875″ x 2.750″
Piston Displacement   43.9 Cubic Inches
Horsepower . . . 40.0 ** .Certified Brake Horsepower at 4500 RPM
Full Throttle Operating Range   4000 to 5000 RPM
Ignition   Magneto
Breaker Gap 0  20″
Spark Plug   Champion J49 AC M42K
Spark Plug Gap   0.30″
Spark Plug Torque   17-1/2 to 20-1/2 ft.-lbs.
Cooling System   Water Pump – Positive and Centrifugal
Carburetor   Fixed High Speed, Adjustable Low Speed Jet
Manual Start   Manual Choke
Electric Start   Electric Choke
Gear Shift   Forward – Neutral – Reverse
 Gear Ratio     12:21
Speed Control – Manual Start  Twist Grip Throttle
(Remote Control Optional)
Electric Start   (Remote Control Optional)
*Propeller   3 Blade, 10-1/2″ dia. x 13″ Pitch
Propeller Options   3 Blade, 11″ dia. x 9″ Pitch
3 Blade, 10-3/8″ dia. x 11-1/2″ Pitch
3 Blade, 10-1/2″ dia. x 12″ Pitch
3 Blade, 10-3/8″ dia. x 14″ Pitch

View other manuals for Johnson and Evinrude


Additional information


Purchase Printed Manual, Download Table of Contents, Download Complete Contents

Wiring Diagrams





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