Honda BF135A, BF150A Outboard Motors Shop Manual., Page 458Get this manual

Honda BF135A, BF150A Outboard Motors Shop Manual., Page 458

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BF135ABF150A bCRANKSHAFT MAIN BEARING
[2] NO.1 MAIN JOURNAL

2) Check the crankshaft main journal code numbers and record them
I NOTICE I
The crankshaft mainjournal code