mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Compression Check|Specifications|Page 1764 > < Spark Plug|Removal and Installation|Page 1760
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Compression Check: Specifications

Compression Pressure Limit Chart

The indicated compression pressures are considered within specification if the lowest reading cylinder is at least 75 percent of the highest reading.

Compression Check|Specifications|Page 1764 > < Spark Plug|Removal and Installation|Page 1760