2007 Johnson 2 HP 4-Stroke Service Manual, Page 81Get this manual

2007 Johnson 2 HP 4-Stroke Service Manual, Page 81

POWERHEAD CYLINDER HEAD Water Jacket Inspect the water jacket for clogs or obstructionsClean the water jackets if necessaryRocker arm shaft hole diameter: 0.1581 to 0.1585 in(4.015 to 4.027 mm)

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Measure the rocker arm shaft diameterRocker arm shaft outside diameter: 0.1571 to 0.1577 in(3.990 to 4.005 mm)

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