Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 272Get this manual

Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 272

16Install two screws which secure remote control harness retainer Break-In Procedure
Severe damage to the engine can result by not complying with the Engine Break-in ProcedureFUEL REQUIREMENTS
Do not use pre-mixed gas and oil in this engineUse straight gasoline during engine break-in and after engine break-inThe ECM is programmed to signal the oil pump to provide additional oil (50:1 ratio) during the first 90 minutes of operationThe ECM will monitor this period through its own internal clockAt the end of this period, the ECM will signal the oil pump to go to standard ratio of 300400: idle and 60: 1
55917ScrewsRetainer