Yamaha F2.5A Owner's Manual

Also see for F25A: Service manual Owner's manual Service manual Service manual Owner's manual

Contents

Maintenance68perform a maintenance procedure, have aYamaha dealer or other qualified mechan-ic do the work.The procedures involve disassembling themotor and exposing dangerous parts. Toreduce the risk of injury from moving, hot,or electrical parts: Turn off the engine and keep engineshut-off cord (lanyard) with you whenyou perform maintenance unless other-wise specified. Allow the engine to cool before handlinghot parts or fluids. Always completely reassemble the mo-tor before operation.EMU28512Replacement partsIf replacement parts are necessary, use onlygenuine Yamaha parts or parts of equivalentdesign and quality. Any part of inferior qualitymay malfunction, and the resulting loss ofcontrol could endanger the operator and pas-sengers. Yamaha genuine parts and acces-sories are available from your Yamaha dealer.EMU34152Severe operating conditionsSevere operating conditions involve one ormore of the following types of operation on aregular basis: Operating continuously at or near maxi-mum engine speed (rpm) for many hours Operating continuously at a low enginespeed (rpm) for many hours Operating without sufficient time for engineto warm up and cool down Frequent quick acceleration and decelera-tion Frequent shifting Frequently starting and stopping the en-gine(s) Operation that fluctuates often betweenlight and heavy cargo loadsOutboard motors operating under any ofthese above conditions require more fre-quent maintenance. Yamaha recommendsthat you do this service twice as often asspecified in the maintenance chart. For ex-ample, if a particular service should be doneat 50 hours, do it instead at 25 hours. This willhelp prevent more rapid deterioration of en-gine components.