2004 SR Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 163Get this manual
GEAR CASE INSPECTION
INSPECTION
NOTE: If any component is worn excessively, cracked, defective or damaged in any way, it must be replacedNOTE: Thoroughly wash al metal components with cleaning solvent and dry them off with compressed air
AWARNING
Wear safety glasses when using compressed air
PROPELLER
Inspect: Propeller Bent, chippingbreak, wearReplace Propeller spline Wear, damageReplace Propeller bushing Defective, slippingReplace