2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Manual, Page 207Get this manual
Running motor with motor cover removed
Two people working together on live motor must look out for each otherNever, ever, hit the key to start the motor before signaling your partnerHe may be leaning over the motor with hands on the flywheel, handling "hot" electrical part, or near the propeller
Motors starting at the wrong time
When you do things that turn the flywheel like: Off-season storage fogging (oiling) of motor Removing propeller with powered tool Electrical system checks Servicing the flywheel Or any other actions ALWAYS