E3-52) Next 50 minutes:Do not exceed half throttle (approxi-mately 3,000 r/min). Vary enginespeed occasionally. If you have aneasy-planing boat, accelerate at fullthrottle onto plane, then immediatelyreduce the throttle to 3,000 r/min orless.3) Second hour:Accelerate at full throttle onto plane,then reduce engine speed to three-quarter throttle (approximately 4,000r/min). Vary engine speed occasional-ly. Run at full throttle for one minute,then allow about 10 minutes of opera-tion at three-quarter throttle or less tolet the engine cool.4) Third through tenth hours:Avoid operating at full throttle formore than 5 minutes at a time. Let theengine cool between full-throttle runs.Vary engine speed occasionally.5) After the first 10 hours:Operate the engine normally.EMU00204PRE-OPERATION CHECKSwIf any item in the pre-operation check isnot working properly, have it inspectedand repaired before operating the out-board motor. Otherwise, an accidentcould occur.cCDo not start the engine out of water.Overheating and serious engine damagecan occur.
