So you haven’t kept up on your outboard maintenance? Perhaps you were not aware that maintenance is required or you have no idea where you stored the owners manual to dig into the details. If you need some tips for outboard maintenance, you came to the right place.
Regular boat engine maintenance is essential to ensuring your engine will provide you with years of trouble-free operation. Mercury Authorized Dealers have the expertise and training to handle all of your engine maintenance service and needs and know your motor inside and out. Having your motor serviced at a true factory authorized dealer with factory trained mechanics is vital to your engine longevity. USBoatworks is a Mercury Authorized Premier Dealer with over 35 years experience in repairing and maintaining Mercury Outboard Motors in the Kansas City area. Please call to schedule service and maintenance of your Mercury Outboard engine or follow the recommended guidelines below.
For the do-it-yourselfer, timely, accurate maintenance is essential.
The maintenance checklist below is a great reminder of items to be reviewed at both 100 and 300 engine hours.
| MAINTENANCE CHECK LIST | 100 HRS | 300 HRS |
| INSPECT ENGINE AND ACCESSORIES FOR VISIBLE DAMAGE | ♦ | ♦ |
| RUN ENGINE FOR CORRECT OPERATION, CHECK FOR ANY ACTIVE CODES | ♦ | ♦ |
| DRAIN GEAR HOUSING AND REFILL WITH GEAR LUBE | ♦ | ♦ |
| REPLACE GEAR LUBE | ♦ | ♦ |
| SERVICE WATER PUMP | ♦ | |
| INSPECT THERMOSTATS, REPLACE IF NECESSARY | ♦ | ♦ |
| LUBRICATE DRIVE SHAFT SPLINES | ♦ | ♦ |
| INSPECT PROPELLER SHAFT NUT, TORQUE IF NECESSARY | ♦ | ♦ |
| INSPECT IGNITION COMPONENTS, REPLACE SPARK PLUGS IF NECESSARY | ♦ | |
| INSPECT FUEL TANK, FUEL LINES AND CONNECTIONS | ♦ | ♦ |
| INSPECT FUEL FILTERS, REPLACE IF NECESSARY | ♦ | ♦ |
| CHANGE ENGINE OIL AND REPLACE OIL FILTER (FOURSTROKE ONLY) | ♦ | ♦ |
| INSPECT HIGH PRESSURE FILTER, REPLACE IF NECESSARY | ♦ | ♦ |
| CHECK AND INSPECT ANODE, REPLACE IF NECESSARY | ♦ | ♦ |
OILS AND LUBRICANTS
Oils and lubricants are an integral part to keeping your motor parts moving properly. Don’t be fooled into buying generic or multi-purpose oils which are inferior to genuine manufacturer oils. Mercury Oils and Lubricants are specifically engineered for the unique needs of marine engines and rigorously tested to meet high standards. You can get the most out of your engine while having total peace of mind that your engine is being protected when you choose oils manufactured by your engine manufacturer.
Finally, you will find a grease chart for fresh water use to insure the proper product is used on your motor. Always refer to your specific owners manual or call your authorized Mercury Motors dealer before performing these recommended services.
GREASE CHART FOR FRESH WATER USE
| STEERING SYSTEMS / CABLE, LINKAGES | 2-4-C | 100 hrs/at least once a yr |
| THROTTLE AND SHIFT CABLES, LINKAGES | 2-4-C | 100 hrs |
| REMOTE CONTROLS | 2-4-C | 100 hrs/at least once a yr |
| PROP SHAFT | 2-4-C | 100hrs/120 days |
| SWIVEL PINS | 2-4-C | 100hrs/120 days |
| TILT LOCK MECHANISM/TILT TUBE | 2-4-C | 100 days |
| DRIVE SHAFT SPLINES (ENGINE COUPLERS) | EXTREME | 100 hrs/at least once a yr |
