Suzuki DF200/DF225/DF250 V6 4-Stroke Outboards Service Manual, Page 263Get this manual
POWER UNIT
PISTON RING Piston ring end gap Measure piston ring end gap with piston ring in the lowest position of cylinder bore 09900-20803: Thickness gauge Piston ring end gap Standard: 1st 0.20 0.33 mm (0.0079 0.0130 in) 2nd 0.33 0.48 mm (0.0130 0.0189 in) Service limit: 1st 0.70 mm (0.0276 in) 2nd 1.00 mm (0.0394 in) If measurement exceeds service limit, replace piston ring
Cylinder