Evenrude models describes the service procedures for the complete inboard, outboard, jet drive or stern drive. Performing the scheduled johnson 25 hp manual pdf is very important.
Most all service manual chapters start with an assembly or system illustration, diagrams, exploded parts view, quality pictures, service information and troubleshooting for the section. The subsequent pages give detailed procedures. If you don’t know the source of the trouble, go to the troubleshooting page for a list of causes and effects to determine the problem. The chart below lists the recommended intervals for all the required periodic service work necessary to keep the motor operating at peak performance and economy. Maintenance intervals should be judged by number of hours or months, whichever comes first.
More frequent servicing should be performed on outboard motors that are used under severe conditions. Remove oil level dipstick and wipe it clean. Insert it fully into dipstick hole, then remove it to check oil level. API classification SE, SF, SG, SH, SJ.