2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 251Get this manual

2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 251

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POWER UNIT
Check cylinder head for cracks in intake and exhaust ports, combustion chambers, and head surfaceValve seat Check valve seat, if cracks or other damage is found, replace cylinder head