Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 166Get this manual

Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 166

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CYLINDER BLOCK AND CRANKCASE
Standard Size

NOTE: Some early models may not have these identification marks NOTE: hp will have on top of piston
1N 50 2N or 50 UP

O

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