Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 125Get this manual
HONDA BFSOAm8SA
PISTON RING END GAP
STANDARD
0.1 5-0.30 mm 10.006-0.012 in) 0.35-0.50 mm (0.014-0.020 in) 0.20-0.80 mm (0.0080.031 in)
SERVICE LIMIT
0.5 mm (0.02 in) 0.7 mm (0.03 in) 1.0 mm (0.04 in)
CRANKSHAFT MAIN JOURNAL O.D
STANDARD
35.98636.002 mm (1.4168- 1.4174 in)
SERVICE LIMIT
35.96 rnrn 11.416 in)