Disassembling And Inspecting The Water Pump; Changing The Water Pump Shaft Seal Requires Removing The Clutch Housing - SHERCO 250 SEF-R Workshop Manual

 Reinstall the clutch cover, inspect the o-ring
and replace if it is damaged.
Disassembling and inspecting the
water pump
 Drain the coolant by removing screw [A].
 Remove the screws from the water pump
housing.
 Remove the water pump impeller using a 10
mm socket.
ATTENTION : If the seal is leaking, coolant
will come out of the weep hole (see photo). In
order to change the seal the clutch housing
must be removed.
Changing the water pump shaft seal
requires removing the clutch housing
 Remove the clutch housing.
 Remove the clip from the water pump shaft.
 Remove the water pump shaft.
 Remove the roll pin.
 Heat the clutch case in an over to 70°.
 Extract the bearing.
 Put some grease like "molikote Dx" on the lips
of the oil seal.
 Change the seal using special tool number
1968.
ATTENTION : make sure the seal is installed
properly, you should see the spring when you
look at the seal. (see photo).
 Check the bearing, if it requires changing use
special tool number 1822.
 Reinstall the parts in the reverse order of their
removal. Pay careful attention to the clutch
housing locating pins, always install a new
paper gasket and if necessary install a new o-
ring seal on the water pump housing.
Tighten the water pump housing screws
to:
10Nm.
Tighten the coolant drain plug to:
6Nm.
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