11 11 Motor Contents Page Technical data ................................................................................................................................5 Removing engine ........................................................................................................................11 Dismantling engine ....................................................................................................................12 Removing intermediate flange .................................................................................................13 Removing driver ................................................................................................................................13 Removing clutch housing ..................................................................................................................14 Stripping down and re-assembling intermediate flange ..............................................15 Removing the driver bearing ..............................................................................................................15 Installing driver bearing .....................................................................................................................15 Removing and installing shaft sealing ring for driver ..........................................................................16 Removing countershaft and layshaft with freewheel .....................................................16 Dismantling and assembling freewheel ...............................................................................17 Stripping down freewheel ..................................................................................................................17 Assembling freewheel .......................................................................................................................17 Removing and installing layshaft needle roller bearing ................................................18 Removing bearing .............................................................................................................................18 Installing bearing ...............................................................................................................................18 Removing timing chain cover ..................................................................................................19 Removing the Hall-effect signal transmitter .......................................................................................19 Remove the crankshaft cover ............................................................................................................19 Removing cylinder head cover ..........................................................................................................19 Removing and installing sealing ring in timing case cover .................................................................19 Removing the timing chain .......................................................................................................20 Removing chain tensioner .................................................................................................................20 Removing chain tensioner rail ...........................................................................................................20 Renewing chain tensioner rail facing .................................................................................................20 Removing camshaft chain sprockets .................................................................................................21 Removing chain guide .......................................................................................................................21 Removing, stripping down and assembling cylinder head .........................................22 Removing camshafts .........................................................................................................................22 Removing cylinder head ....................................................................................................................22 Removing bucket-type tappets .........................................................................................................22 Removing valves ...............................................................................................................................23 Remachining valve seat .....................................................................................................................23 Installing valve and valve stem seal ...................................................................................................24 Removing crankshaft ...................................................................................................................25 Removing big end bearings ...............................................................................................................25 Removing main bearings ...................................................................................................................25 11.1