Suzuki 2003-2007 DF60 DF70 Outboard Motors Service Manual, Page 80Get this manual
ENGINE CONTROL SYSTEM
OIL CHANGE REMINDER SYSTEM
This system informs the operator of the time for replacing ENGINE OIL on the basis of the recommended maintenance scheduleWhen the total motor operating hours have reached the preprogrammed hours; On the tiller handle model, the buzzer will begin series of double beeps (3 or times) On the remote control model, the "OIL" lamp will flash, and the buzzer will begin series of double beeps if the engine is not running (but ignition switch is ON)The above mentioned indication will repeat until canceling system activationNOTE: This system will activate up to 100 hour's operationINDICATION OF SYSTEM ACTIVATION