Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 266Get this manual

Mercury Optimax 115, 135, 150, 175, DFI year 2000 and up service manual., Page 266

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EMISSIONS
Homogenized Charge
A homogenized charge has the fuelair particles mixed evenly throughout the cylinderThis mixing occurs inside the carburetor venturi, reed blocks, crankcase and