SHERCO 250 SEF-R Workshop Manual page 34

 On the right hand case make sure the
breather jet is in place.
 Place the right case on the left case
previously fabricated.
 Install the 13 screws that retain the two
halves together.
Torque the 13 center crankcase screws
to: 10 Nm.
 Install special tool number 2073 to keep the
gear selector drum from rotating.
 Install the locating pin, the gear selector
index wheel and the fixing screw.
Torque the gear selector index wheel
fixing screw to: 10 Nm.
 Remove the special tool number 2073.
 Install the gear selector shaft.
 Install the oil pump shaft, the roll pin and the
internal oil pump rotor.
 Install the oil pump cover and tighten the
cover screws to the appropriate torque.
Torque the oil pump cover screws to: 5
Nm.
 Install the oil pump drive roll pin, the drive
gear and the cir clip.
 Install the primary drive gear.
 On the transmission input shaft install the
thrust washer, the needle bearings the clutch
basket, the spacer washer, the clutch hub
and the conical washer.
 Using an appropriate solvent clean the
crankshaft threads and the input shaft
threads.
 Install the fixing nuts on the crankshaft and
the transmission input shaft.
 Apply the proper torque these fixing nuts.
 Install special tool number 1817 and torque
the crankshaft fixing nut.
Torque the crankshaft fixing nut to: 120
Nm.
 With the special tool still installed, torque the
transmission input fixing nut.
Torque the transmission input fixing nut
to: 80 Nm.
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