Mercury MERCRUISER - Cylinder Head; Removal

3. Carefully rotate and remove the camshaft as shown.
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Removing camshaft
Cylinder Head
Removal
1. Remove the spark plugs.
2. Remove the cylinder head bolts.
a - Short bolts (M10 x 1.5 x 49)
b - Long bolts (M10 x 1.5 x 86)
3. Remove the cylinder head.
4. Place the cylinder head on wooden blocks, a rubber mat, or other material that will prevent damage to the gasket surfaces.
5. Repeat this process for the second cylinder head.
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a
b
Engine Disassembly
90-8M0099748 eng DECEMBER 2015 © 2016 Mercury Marine Page 3A-33