Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 136Get this manual
HONDA BF2OA25A
4WATER PUMP
DISASSEMBLYIASSEMBLY
Remove the gear case assembly (P72-71,
[I 40 mm HEXBOLT (4)- (1.1 kg-m, 8.0 ft-lbt m
1221 mrn WASHER (4)
[211 IMPELLER HOUSING
[2] IMPELLER HOUSING COLLAR (4)
11 SHIFT ROD 3
WATER TUBE
Apply grease to the inner surface
[4] mm WATER SEAL