Honda BF115A, BF130A Outboard Motors Shop Manual., Page 252Get this manual
bCONNECTING ROD BEARING When replacing the connecting rod bearing, check the crank pin code letter and the connecting rod code number, and select the correct bearing by referring to the bearing selection tableIf the code letters andlor numbers are not clear, clean the areas with cleaning solvent and check againDo not scrub with stiff wire brush or driver to clean-
1I CRANK PIN O.DCODE NUMBER OR LETTER
131 No.3 JOURNAL 121 No.2 JOURNAL
1 Check the crank pin code letters and record themThe crank pin code letters are for the No.1 and the subsequent number journals when viewed from the arrowmark sideThe crank pins are the No.1 and the subsequent number journals when viewed from the timing belt driven pulley side2) Check the connecting rod code numbers and record them
No.1 JOURNAL
151 No.1 JOURNAL
141 No.4 JOURNAL
The connecting rod code numbers are for the No.1 and the subsequent number journals when viewed from the timing belt driven pulley side
[I] CONNECTING ROD CODE NUMBERS
3) Select the correct bearing by referring to the crank pin code letter and the connecting rod code numberConnecting rod bearing selection table: