Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 104Get this manual
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10CYLINDER HEADNALVESI OIL PUMP 1REMOVALIINSTALLATION 4INSPECTION
2) Remove the cam pulley and the pulser coil (P6-313) 4)
ASSEMBLY: P10-2 Tighten the specified torque firstMark the