Yamaha 55DEHD Service Manual
Also see for 55DEHD: Rigging guideRigging guide
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Contents
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TRBLSHTG9-5 6885J11TroubleshootingReferSymptom 2 Cause 1 Cause 2 Checking step topageSymptom 1: Limited engine speed (below 2,000 r/min)Clogged cooling waterinletCheck the coolingwater inlet. 3-49Buzzer comeson (ED, ET)9Overheat warn-ing indicatorcomes on (EHD)9Cooling waterdoes not dis-charge from thecooling waterpilot hole—Water pumpmalfunctionClogged cooling waterpassageThermostatmalfunctionCheck the impeller. 6-6Water pumpimpellermalfunction Check the Woodruffkey. 6-6Water leakagefrom waterpump housing——Check the water pumphousing. 6-6Check the insert car-tridge. 6-6Check the outer platecartridge. —Check the coolingwater passage(exhaust guide, uppercase and cooling waterpipe).Check the thermostat.7-113-3Thermoswitchmalfunction —Check thethermoswitch forcontinuity.8-8Short connection inthermoswitch circuitand ground circuit— Check the wiringharness for continuity. WD |
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