Mercury Force 9.9, 15HP Outboards Service Manual, Page 170Get this manual

Mercury Force 9.9, 15HP Outboards Service Manual, Page 170

EINSPECTING AND REPAIRING GEAR HOUSING 1Thoroughly clean all gear housing components in suitable solventDry all components with compressed air
WARNING SO LVENT

Be sure to wear safety glassesInspect propeller shaftLook for: