Crankcase And Crankshaft - Husqvarna 250 PS Workshop Manual

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8. Crankcase and crankshaft

Replacing sealing rings
Magnet side
Remove the cylinder cover, air filter, starter unit and
baffle. Remove the flywheel. (See pages 25-26.)
Undo the 3 bolts that hold the housing onto the
crankcase.
Prise off the sealing ring housing using a screwdriver or
the like.
Press the new sealing ring into place with a suitable
mandrel.
Always fit a new O ring under the housing.
Refit the sealing ring housing.
NOTE! Smear the 3 bolts that secure the housing with
Loctite or a similar locking agent.
Drive side
Remove the clutch. Remove the sealing ring using tool
502 50 78-01. Use a suitable mandrel to fit the new
sealing ring. The sealing ring must be flush with the
surface of the crankcase.
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