To simplify splitting, drill the starter ring 8 mm
(0.315 in.) under a tooth gap with a 6 mm (15/64 in.) drill.

Split the starter ring with a chisel next to the
drilled hole.

When installing:Heat the new starter ring to
200 - 230° C (390 - 445° F) using thermochrome pin.

Chamfered side of teeth on engine side.

Drive the starter ring firmly against its seating with a
brass drift.