Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 60Get this manual
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3) Remove the 16 mm flange bolts and engine hanger
bracket
4) Rotate the engine clockwise, using the flywheel, until the No1 cylinder timing marks align (P3-4)5) Remove the timing belt tensioner capENGINE HANGER
TIMING BELT TENSIONER CAP
6) Remove the 12 mm flange bolts and starter pulley
7Set the special tool on the flywheel as shown using the o
6 12 flange bolts that tighten the starter pulley, then remove the 16 rnm special nutTOOL: Holder