Yamaha F225 Owner's Manual

Also see for F225: Maintenance Guide Owner's manual Owner's manual Owner's manual Owner's manual

Contents

Maintenance71oline purging from the fuel tank vent due toexpansion with temperature changes.Do not cap the fuel tank vent. Excessivepressure could damage the boat and motor’sfuel systems.A partially filled fuel tank, less than 7/8 fullbut not completely empty, is not recommend-ed. Air space above the gasoline allows airmovement which can bring in water throughcondensation as the air temperature chang-es.Condensation inside the fuel tank can causecorrosion problems and phase separation ofgasoline containing ethanol.Consult your Yamaha dealer concerning pre-ventative measures that may work best forthe gasoline and environmental conditions inyour area.EMU28305ProcedureEMU41141Cleaning the outboard motorWhen cleaning the outboard motor, the topcowling must be installed.1. Wash the exterior of the outboard motorusing fresh water. NOTICE: Do notspray water into the air intake. [ECM01840]2. Drain the cooling water completely out ofthe outboard motor. Clean the body thor-oughly.EMU41071Lubrication1. Change the gear oil. For instructions,see page 88. Check the gear oil for thepresence of water that indicates a leakyseal. Seal replacement should be per-formed by an authorized Yamaha dealerprior to use.2. Lubricate all grease fittings. For furtherdetails, see page 77.TIP:For long-term storage, fogging the enginewith fogging oil is recommended. Contactyour Yamaha dealer for information aboutfogging oil and procedures for your outboardmotor.EMU41152Cleaning and anticorrosionmeasures1. Wash the exterior of the outboard motorusing fresh water, and then dry the out-board motor completely. For instructionson cleaning the outboard motor, seepage 71. NOTICE: Do not spray waterinto the air intake. [ECM01840]2. Spray the outboard motor powerheadwith “Yamaha Silicone Protectant.”3. Wax the cowling with a non-abrasivewax such as “Yamaha Silicone Wax.”EMU40962Flushing cooling water passagePerform this procedure right after operationfor the most thorough flushing.NOTICEECM01530Do not perform this procedure while theengine is running. The water pump maybe damaged and severe damage fromoverheating can result.1. Disconnect the garden hose connectorfrom the fitting on the bottom cowling.1. Air intake1ZMU07209