Install the ring gear holder.

Loosen the flywheel mounting bolts in a crisscross pattern in several steps. Remove the bolts, then remove the flywheel and the ring gear holder.
Install the flywheel on the cranksha9t, and install the mounting bolts finger-tight.
Install the ring gear holder (A), then tighten the flywheel mounting bolts (B) in a crisscross pattern in several steps.

Rocker Arm Assembly Installation
If the rocker arm assembly is disassembled, reassemble the rocker arm
assembly.
Apply engine oil to the end of the valve stem.
Install the rocker arm assembly.
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Guidance Screen
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Mainshaft Thrust Clearance Adjustment (M/T)
Special Tools Required
Mainshaft Base 07GAJ-PG20130
Collar 07GAJ-PG20120
Mainshaft Holder 07GAJ-PG20110
Remove the 72 mm shim (A) and oil guide plate M from the transmission
housing ...