Engine - Yamaha MBK XMAX 2014 Service Manual

ENGINE INSPECTION .................................................................................... 5-1
MEASURING THE COMPRESSION PRESSURE....................................5-1
ENGINE REMOVAL ........................................................................................5-2
INSTALLING THE ENGINE....................................................................... 5-5
CYLINDER HEAD............................................................................................ 5-7
REMOVING THE CYLINDER HEAD.........................................................5-9
CHECKING THE CYLINDER HEAD .........................................................5-9
CHECKING THE CAMSHAFT SPROCKET............................................5-10
CHECKING THE TIMING CHAIN TENSIONER...................................... 5-10
INSTALLING THE CYLINDER HEAD .....................................................5-11
CAMSHAFT ................................................................................................... 5-14
REMOVING THE CAMSHAFT ................................................................5-15
CHECKING THE CAMSHAFT.................................................................5-15
CHECKING THE DECOMPRESSION SYSTEM..................................... 5-15
CHECKING THE ROCKER ARMS AND
ROCKER ARM SHAFTS ........................................................................5-16
INSTALLING THE CAMSHAFT AND ROCKER ARMS .......................... 5-17
VALVES AND VALVE SPRINGS.................................................................. 5-18
REMOVING THE VALVES...................................................................... 5-19
CHECKING THE VALVES AND VALVE GUIDES ..................................5-19
CHECKING THE VALVE SEATS ............................................................ 5-21
CHECKING THE VALVE SPRINGS........................................................ 5-22
INSTALLING THE VALVES .................................................................... 5-23
CYLINDER AND PISTON.............................................................................. 5-25
REMOVING THE PISTON ...................................................................... 5-26
CHECKING THE CYLINDER AND PISTON ...........................................5-26
CHECKING THE PISTON RINGS........................................................... 5-27
CHECKING THE PISTON PIN ................................................................5-28
CHECKING THE TIMING CHAIN GUIDE ............................................... 5-28
INSTALLING THE PISTON AND CYLINDER .........................................5-28

ENGINE

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