2004 SR Johnson 2-stroke 40, 50HP Service Manual, Page 235Get this manual
GEARCASE PROPELLER
PROPELLER
Inspection
Carefully examine propeller and outboard for the following: Damaged blades and signs of propeller cavitation (burned paint, etc Spun or overheated inner hub Worn or twisted splines and inadequate lubricant Damaged or missing converging ring (if applicable) Damage to outer hub area Wornmissing, or incorrect thrust washer and spacer Correct size and style Check for bent or damaged propeller shaft and twisted splines
Install the spacer, engaging the propeller shaft splines
1Thrust bushing 2Thrust washer 3Propeller nut 4Cotter pin
Wedge block of wood between propeller blade and the anti-ventilation plate
Installation