Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 137Get this manual

Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 137

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IMPORTANT: Pi ston must be correctly Installed and positioned as ollows: Pistons with the leiterP" must be instal led in he port side engine and the letterP" facin up toward top of eng inePistons with