Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 105Get this manual
HONDA BS
INSPECTION
8 83 mm FLANGE BOLT Measure bolt lengthIf not within service limit, replace the boltSTANDARD 82.583.5 mm (3.25 SERVICE LIMIT
8 83 mm FLANGE BOLT
84.9 mm (3.34 in)
ASSEMBLY: Tighten the eight mm flange bolts and the three mm flange bolts to the specified torque in the numbered sequence shown in the drawingAfter tightening the 83 mm flange bolts to the specified torque, mark the alignment position on the bolts and the cylinder headTighten the 83 mm flange bolts an additional go0+:
1 82.5-83.5
rnm (3.25-3.29 in1
Only the 83 mm flange bolts are turned an additional 9O0+PTORQUE: 83 mm flange bolt 29 Nmm (2.9 kg-m, 21.0 ft-lb) then tighten an additional go0