1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 111Get this manual

1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 111

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Crankshaft I Ins pect crankshaft 10 dri ve shaft spli nes for wear(Replace cra nkshaftif necessary 2 Check cran kshaft for straigh ness(Heplace as necessa ry,) 3 Inspect crankshaft oil seal surfacesSe

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