User Guide

11.2
Contents Page
Disassembling engine ..............................................................................................................26
Removing cylinder head .............................................................................................................26
Removing camshafts .........................................................................................................................26
Checking camshaft for wear ..............................................................................................................27
Removing and installing timing-chain sprockets ................................................................................27
Checking centrifugal decompressor lever ..........................................................................................27
Disassembling and assembling the centrifugal decompressor ..........................................................27
Removing cylinder head ....................................................................................................................28
Checking timing chain for wear .........................................................................................................28
Disassembling and assembling cylinder head .................................................................29
Removing valves ...............................................................................................................................29
Bore for bucket tappet ......................................................................................................................29
Checking valve guide for wear ...........................................................................................................30
Removing valve guide ........................................................................................................................30
Installing valve guide .........................................................................................................................31
Checking valve seat for wear .............................................................................................................31
Installing valve stem seal ...................................................................................................................32
Checking valve for wear ....................................................................................................................32
Installing valves .................................................................................................................................33
Removing cylinder ........................................................................................................................33
Checking cylinder .........................................................................................................................33
Removing piston ............................................................................................................................34
Disassembling piston ..................................................................................................................34
Determining clearance of piston in cylinder ......................................................................34
Determining piston ring gaps ..................................................................................................35
Determining piston pin clearance ..........................................................................................35
Assembling pistons ......................................................................................................................35
Removing ignition magneto ......................................................................................................35
Removing countershaft for starter .........................................................................................36
Disassembling and assembling freewheel .........................................................................37
Disassembling freewheel ...................................................................................................................37
Assembling freewheel .......................................................................................................................37
Removing clutch ............................................................................................................................38
Removing pressure plate ...................................................................................................................38
Removing clutch plates .....................................................................................................................38
Removing and installing oil pump ..........................................................................................39
Removing oil pump ............................................................................................................................39
Inspecting oil pump ...........................................................................................................................39
Installing oil pump .............................................................................................................................39
Removing double drive gear ....................................................................................................40