Yamaha F4 Service Manual
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ELOWRCHAPTER 6LOWER UNITLOWER UNIT.................................................................................................6-1EXPLODED DIAGRAM ............................................................................6-1REMOVAL AND INSTALLATION CHART................................................6-1SERVICE POINTS.....................................................................................6-3Lower unit removal ...........................................................................6-3WATER PUMP ...............................................................................................6-4EXPLODED DIAGRAM ............................................................................6-4REMOVAL AND INSTALLATION CHART................................................6-4SERVICE POINTS.....................................................................................6-6Water pump housing inspection ......................................................6-6Impeller and insert cartridge inspection..........................................6-6Water pump installation....................................................................6-6LOWER CASING CAP ASS’Y, REVERSE GEARAND PROPELLER SHAFT .............................................................................6-7EXPLODED DIAGRAM ............................................................................6-7REMOVAL AND INSTALLATION CHART................................................6-7SERVICE POINTS.....................................................................................6-9Lower casing cap ass’y, reverse gearand propeller shaft removal .............................................................6-9Reverse gear inspection....................................................................6-9PROPELLER SHAFT ASS’Y.........................................................................6-10EXPLODED DIAGRAM ..........................................................................6-10REMOVAL AND INSTALLATION CHART..............................................6-10SERVICE POINTS...................................................................................6-11Dog clutch inspection......................................................................6-11Propeller shaft inspection ...............................................................6-11Dog clutch and shift spring installation.........................................6-11LOWER CASING CAP ASS’Y......................................................................6-12EXPLODED DIAGRAM ..........................................................................6-12REMOVAL AND INSTALLATION CHART..............................................6-12SERVICE POINTS...................................................................................6-13Lower casing cap/Propeller shaft bearing removal ......................6-13Lower casing cap oil seal removal.................................................6-13Bearings inspection.........................................................................6-13Lower casing cap inspection ..........................................................6-14Lower casing cap assembly............................................................6-14Gear shift check ...............................................................................6-15DRIVE SHAFT, FORWARD GEAR AND SHIFT ROD ..................................6-16EXPLODED DIAGRAM ..........................................................................6-16REMOVAL AND INSTALLATION CHART..............................................6-16 |
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