2006-2010 Suzuki DF150 / DF175 4-Stroke Outboards Service Manual, Page 256Get this manual
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POWER UNIT
Valve guide to valve stem clearance Valve guide to valve stem clearance Standard: IN0.020 0.047 mm (0.0008 0.0019 in) EX0.045 0.072 mm (0.0018 0.0028 in) Service limit: IN0.070