Honda BF135A, BF150A Outboard Motors Shop Manual., Page 429Get this manual
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BF135ABF150A cINSPECTION
4) Tighten the 12 mm bolts to the specified torque in the numbered sequence in two or three stepsTORQUE: 118 Nm (12.0 kgfm, 87 IbHt)
5) Clean the flywheel a