If the spring was off the clutch groove, replace the one-way clutch (clutch and spring) as an assembly.
Install the starter clutch assembly onto the flywheel.
Align the bolt holes in the starter clutch outer with the holes in the flywheel.
Apply locking agent to the starter clutch bolt threads and install them.
Hold the flywheel with the special tool and tighten the starter clutch outer bolts to the specified torque.
Tool: Flywheel holder 07725-0040000.
Torque: 29 N·m (3.0 kgf·m, 22 lbf·ft).
Install the washer to the flywheel.
Install the starter driven gear while turning it counterclockwise.
Make sure the starter driven gear turns counterclock wise smoothly and does not turn clockwise.