Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 367Get this manual
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MAINTENANCE
MCM 5.0L Engines
2 3BLK BLU BRN GRY GRN ORN PNK PUR RED TAN WHT YEL LIT DRK======= Black Blue Brown Gray Green Orange Pink Purple Red Tan White Yellow Light Dark