2003+ Suzuki DF9.9/DF15 four stroke outboard motors service manual, Page 128Get this manual
Quality of the image is intentionally reduced!
POWER UNIT
Piston ring end gap Measure the piston ring end gap with the piston ring in the lowest position of the cylinder bore& 09900-20803: Thickness gauge Standard: 1st2nd 0.10 0.25 mm