Honda Outboards BF40A/BF50A Service Manual, Page 126Get this manual
HONDA BF35A45A
PISTON RING END GAP
-TOP SECOND OIL
STANDARD
SERVICE LIMIT
0.15-0.3 mm (0.006-0.012 in) 0.3-0.45 mm (0.012-0.018 in) 0.2-0.7 mm (0.0079-0.028 in)
0.8 mm (0.03 in) 0.95 mm (0.037 in) 1.0 mm (0.04 in)
CRANKSHAFT MAIN JOURNAL 0.0STANDARD SERVICE LIMIT