Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 166Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 166

CA.RBURETOR
6Inspect float, replace if cracked or damaged
ACAUTION
Do not use steel wire for cleaning the jets as this may enlarge the jet diameters and seriously affect performanceUse petroleum based solvent for cleaning and blow out all passages with compressed air7Inspect main jet, idle jet, slow jet and main nozzleClean if they are contaminated

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