2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 142Get this manual
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1D-31 Power Unit Mechanical:
I9J011140004-04
1 Intake valve 2 Exhaust valve 3 Valve guide 4 Valve spring seat
5 Valve stem seal 6 Valve spring 7 Valve spring retainer 8